patent

Search results for: Friden

Patent:CH296387 15.02.1954 Friden (P) : Rechenmaschine.
Patent:CH311849 15.12.1955 Friden (P) : Rechenmaschine.
Patent:DE1165911 01.01.1952 Friden (P) : Einrichtung zum selbsttaetigen Ziehen von Quadratwurzeln
Patent:GB1090761 15.11.1967 Friden (P) : Calculator
Patent:GB1090762 15.11.1967 Friden (P) : Calculator
Patent:GB1090763 15.11.1967 Friden (P) : Calculator
Patent:GB1090764 15.11.1967 Friden (P) : Electronic calculator
Patent:US1764959 17.06.1930 Clarence L. Johnston Carl M.F. Friden (P) Marchant (P) Calculating Machine Comp. : Calculating machine
Patent:US2229889 28.01.1941 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2229890 28.01.1941 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2229895 28.01.1941 M. Lothrop Friden (P) : Calculating Machine
Patent:US2229901 28.01.1941 A. I. Richards Friden (P) : Calculating Machine
Patent:US2273857 24.02.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2279455 14.04.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2279456 14.04.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2279474 14.04.1942 Machado, Antony (P) Friden (P) : Calculating Machine
Patent:US2279480 14.04.1942 Moody, John L. (P) Friden (P) : Calculating Machine Switch
Patent:US2279481 14.04.1942 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2285427 09.06.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2294111 25.08.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2294112 25.08.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Clutch
Patent:US2294124 25.08.1942 John L. Moody Friden (P) Calculating Machine Co., Inc. : Governor construction
Patent:US2306247 22.12.1942 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2310280 09.02.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2310281 09.02.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2311354 16.02.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2313817 16.03.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2315780 06.04.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2325388 27.07.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2327635 24.08.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2327704 24.08.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2327981 31.08.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2329649 14.09.1943 N. B. Pinyan Friden (P) : Calculating Machine
Patent:US2330512 28.09.1943 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2331827 12.10.1943 A. S. Dennis Friden (P) : Typewriter
Patent:US2331829 12.10.1943 Friden, Carl Mauritz Fredrick (P) Friden (P) : Carriage Shift Mech for Calculating Machines
Patent:US2334430 16.11.1943 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2334431 16.11.1943 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2343241 07.03.1944 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2346834 18.04.1944 Friden, Carl Mauritz Fredrick (P) John L. Moody Friden (P) Calculating Machine Co., Inc. : Calculating machine
Patent:US2352376 27.06.1944 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2359661 03.10.1944 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2360704 17.10.1944 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2363737 28.11.1944 Machado, Antony (P) Friden (P) : Calculating Machine
Patent:US2365507 19.12.1944 P. H. Allen Friden (P) : Calculating Machine
Patent:US2365527 19.12.1944 A. S. Dennis Friden (P) : Calculating Machine
Patent:US2366345 02.01.1945 Machado, Antony (P) Friden (P) : Revolution Counter Control
Patent:US2371752 20.03.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2376997 29.05.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Calculating Machine
Patent:US2380642 31.07.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Centralizing Mechanism
Patent:US2388209 30.10.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Revolutions Counter Actuator
Patent:US2388211 30.10.1945 Machado, Antony (P) Friden (P) : Constant Multiplier Control
Patent:US2391089 18.12.1945 Friden, Carl Mauritz Fredrick (P) Friden (P) : Keyboard Release Mechanism
Patent:US2391098 18.12.1945 Machado, Antony (P) Friden (P) : Calculating machine
Patent:US2399917 07.05.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine
Patent:US2401473 04.06.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine
Patent:US2403069 02.07.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine
Patent:US2403111 02.07.1946 Moody, John L. (P) Friden (P) : Calculating Machine
Patent:US2403273 02.07.1946 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Calculating Machine
Patent:US2405562 13.08.1946 Ellerbeck, Grant Clawson (P) Friden (P) : Apparatus for Printing
Patent:US2421213 27.05.1947 Moody, John L. (P) Friden (P) : Centrifugal Operating Switch
Patent:US2425178 05.08.1947 Ellerbeck, Grant Clawson (P) Friden (P) : Motor Control
Patent:US2427271 09.09.1947 Friden, Carl Mauritz Fredrick (P) et al Friden (P) : Multiplier Correction Mechanism
Patent:US2434001 06.01.1948 Moody, John L. (P) Friden (P) : Governor Construction
Patent:US2436112 17.02.1948 Machado, Antony (P) Friden (P) : Latch Operated Positive Clutch Mechanism
Patent:US2453926 16.11.1948 Moody, John L. (P) Friden (P) : Revolution Counter Actuator
Patent:US2456980 21.12.1948 Moody, John L. (P) Friden (P) : Motor and Clutch Control Mechanism
Patent:US2539948 30.01.1951 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co., Inc. : Power-operated sign adjusting means
Patent:US2580298 25.12.1951 Moody, John (P), Hopkins, George (P) Friden (P) : Automatic stop for calculating machines
Patent:US2586420 19.02.1952 Ellerbeck, Grant Clawson (P) Friden (P) : Printing mechanism for adding machines
Patent:US2597463 20.05.1952 Grant C. Ellerbeck Friden (P) Calculating Machine Co. Inc. : Auxiliary tens-transfer mechanism
Patent:US2597487 20.05.1952 George W. Hopkins Jon E. Grohl Friden (P) Calculating Machine Co. Inc. : Auxiliary tens-transfer mechanism
Patent:US2597488 20.05.1952 George W. Hopkins Friden (P) Calculating Machine Co. Inc. : Auxiliary tens-transfer control
Patent:US2597507 20.05.1952 Anthony B. Machado Gilman Plunkett Friden (P) Calculating Machine Co., Inc. : Auxiliary tens-transfer control mechanism
Patent:US2602585 08.07.1952 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co., Inc. : Add-subtract register
Patent:US2608346 26.08.1952 George W. Hopkins Friden (P) Calculating Machine Co. : Ten key differential entry mechanism
Patent:US2634053 07.04.1953 Ellerbeck, Grant Clawson (P) Friden (P) : Tabulation Control Incident to Indexing a Multiplication Factor
Patent:US2650761 01.09.1953 Machado, A. B. (P) Friden (P) : Calculating Machine
Patent:US2653762 29.09.1953 Ellerbeck, Grant Clawson (P) Friden (P) : Dividend Aligning Mechanism
Patent:US2653763 29.09.1953 Hopkins, G. W. (P) Friden (P) : Dividend Aligning Mechanism
Patent:US2653764 29.09.1953 Hopkins, G. W. (P) Friden (P) : Division Aligner
Patent:US2653765 29.09.1953 Machado, A. B. (P) et al Friden (P) : Dividend Aligning Mechanism
Patent:US2660377 24.11.1953 Harold J. Chall Friden (P) Calculating Machine Co., Inc. : Constant factor mechanism
Patent:US2666582 19.01.1954 Anthony B. Machado Frank J. Pruellage Friden (P) Calculating Machine Co., Inc. : Split clearing mechanism
Patent:US2668660 09.02.1954 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co. : Plural totalizer adding machine
Patent:US2687254 24.08.1954 Hopkins, G. W. (P) et al Friden (P) : Total Transfer Mechanism
Patent:US2692084 19.10.1954 Taylor, L. B. (P) et al Friden (P) : Multiplication Function Control Device
Patent:US2692110 19.10.1954 Roy J. Renholts Friden (P) Calculating Machine Co. Inc. : Joint for base and frame elements
Patent:US2701099 01.02.1955 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co. Inc. : Degrees, minutes and seconds machine
Patent:US2714986 09.08.1955 Moody, J. L. (P) et al Friden (P) : Single Cycle Mechanism
Patent:US2714989 09.08.1955 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US2714990 09.08.1955 Anthony B. Machado Friden (P) Calculating Machine Co., Inc. : Operation terminating mechanism
Patent:US2722376 01.11.1955 Ellerbeck, Grant Clawson (P) Friden (P) : Back Transfer Calculating Machine
Patent:US2722377 01.11.1955 Davis, E. A. (P) Friden (P) : Dividend Divisor Aligning Mechanism
Patent:US2728521 27.12.1955 Bernard S. Beisson Michael J. Markakis Lawrence W. Damenberg Harold J. Rounds Friden (P) Calculating Machine Co., Inc. : Apparatus for typing symbols from a register
Patent:US2732924 31.01.1956 Hawthorne, Nathaniel (P) Friden (P) Calculating Machine Co. Inc. : Reversible ribbon feed mechanism for adding machines
Patent:US2733007 31.01.1956 Rolph, D. L. (P) Friden (P) : Power Operated Selection Mechanism
Patent:US2733010 31.01.1956 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co., Inc. : Clearing mechanism
Patent:US2733011 31.01.1956 Elwood A. Davis Friden (P) Calculating Machine Co., Inc. : Clearing
Patent:US2736492 28.02.1956 Ellerbeck, Grant Clawson (P) Friden (P) : Square Root Mechanism
Patent:US2736493 28.02.1956 Ellerbeck, Grant Clawson (P) Friden (P) : Square Root Calculating Machine
Patent:US2736494 28.02.1956 Ellerbeck, G. C. (P) et al Friden (P) : Square Root Calculating Machine
Patent:US2736497 28.02.1956 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co., Inc. : Auxiliary keyboard mechanism adapted for square root operations
Patent:US2753114 03.07.1956 Ellerbeck, Grant Clawson (P) Friden (P) : Division Terminating Mechanism
Patent:US2755997 24.07.1956 Ellerbeck, Grant Clawson (P) Friden (P) : Nonreversing Countercontrol for Division Operations
Patent:US2758789 14.08.1956 Ellerbeck, Grant Clawson (P) Friden (P) : Multi-Purpose Registers
Patent:US2764347 25.09.1956 Ellerbeck, Grant Clawson (P) Friden (P) : MultiplyingDividing Machine, Including Mechanism for Registering a Quotient in a Multplier Storage Device
Patent:US2764352 25.09.1956 Ellerbeck, Grant Clawson (P) Friden (P) Calculating Machine Co., Inc. : Auxiliary selection and operating devices for a ten-key indexing mechanism
Patent:US2768788 30.10.1956 Davis, E. A. (P) Friden (P) : Selection Mechanism
Patent:US2770416 13.11.1956 Hopkins, George (P) Friden (P) : Calculating Machine
Patent:US2774536 18.12.1956 Harold J. Chall Friden (P) Calculating Machine Co., Inc. : Calculating machine
Patent:US2776795 08.01.1957 Ellerbeck, Grant Clawson (P) Friden (P) : Extended Tens Transfer Control Mechanism
Patent:US2779267 29.01.1957 Chall, Harold (P) Friden (P) : Printing mechanism for a calculating machine
Patent:US2794595 04.06.1957 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US2794596 04.06.1957 Ellerbeck, Grant Clawson (P) Friden (P) : Back-Transfer Mechanism
Patent:US2797869 02.07.1957 J. E. Grobl Friden (P) : Tens-Transfer Control Means in a Decimal Elimination Mechanism
Patent:US2807348 24.09.1957 Balaz, Charles (P), Chall, Harold (P) Friden (P) : Platen guard for listing adding machine
Patent:US2809786 15.10.1957 G. W. Hopkins Friden (P) : Dividend Divisor Aligning Mechanism
Patent:US2812138 05.11.1957 A. J. Malavazos Friden (P) : Keyboard
Patent:US2814031 19.11.1957 R. A. Davis Friden (P) : Magnetic Storage Keyboard
Patent:US2824695 25.02.1958 G. Plunkett et al Friden (P) : Constant Multiplier Mechanism
Patent:US2828913 01.04.1958 Ellerbeck, Grant Clawson (P) Friden (P) : Back Transfer Mechanism
Patent:US2828914 01.04.1958 Ellerbeck, Grant Clawson (P) Friden (P) : Counter Actuator
Patent:US2828918 01.04.1958 A. J. Malavazos Friden (P) : Keyboard for Calculating Machine
Patent:US2832530 29.04.1958 Chall, Harold (P) Friden (P) : Value selecting and transmitting mechanism for listing adding machine
Patent:US2832531 29.04.1958 Chall, Harold (P) Friden (P) : Actuating mechanism for adding machine
Patent:US2832532 29.04.1958 Chall, Harold (P) et al Friden (P) : Ten-Key Calculating Machine with Backspacing Mechanism
Patent:US2832533 29.04.1958 Chall, Harold (P) Friden (P) : Totalizing mechanism for listing adding machine
Patent:US2832534 29.04.1958 Chall Harold (P), Malavazos, Arthur (P) Friden (P) : Control means for listing adding machine
Patent:US2832544 29.04.1958 Chall, Harold (P) Friden (P) : Calculating machine
Patent:US2842310 08.07.1958 Morian P. Matthew Friden (P) : Typewriter controlled calculators
Patent:US2847160 12.08.1958 Hawthorne, Nathaniel (P) et al Friden (P) : Calculating Machine
Patent:US2847164 12.08.1958 Ellerbeck, Grant Clawson (P) Friden (P) : Value Approximation Mechanism
Patent:US2852192 16.09.1958 Hawthorne, Nathaniel (P) Friden (P) : Carriage Shift Controlling Mechanism
Patent:US2857098 21.10.1958 Chall, Harold (P) Friden (P) : Register clear symbol printing mechanism for calculating machine
Patent:US2861739 25.11.1958 Chall, Harold (P) Bernhard P. Silverman Friden (P) : Perforated record making adding machine
Patent:US2864554 16.12.1958 Donald L. Rolph Robert A. McKee Friden (P) : Printing calculating apparatus switch means
Patent:US2864559 16.12.1958 Ellerbeck, Grant Clawson (P) Friden (P) : Dividend-Divisor Aligning Mechanism
Patent:US2868445 13.01.1959 Chall, Harold (P) Charles S. Balaz Friden (P) : Repeat addition mechanism for ten key adding machine
Patent:US2868453 13.01.1959 Ellerbeck, Grant Clawson (P) Friden (P) : Mechanism for the Accumulation of Products Around a Fixed Decimal
Patent:US2868454 13.01.1959 D. F. Rutland et al Friden (P) : Multiplying Mechanism for Accumulating Products Around a Fixed Decimal
Patent:US2872115 03.02.1959 Ellerbeck, Grant Clawson (P) Friden (P) : Multiplying Calculator
Patent:US2883105 21.04.1959 Gottfried Zickler, Grobl Jon Friden (P) : Ten key adding machine clearing mechanism
Patent:US2886238 12.05.1959 G. Plunkett Friden (P) : Short-Cut Multiplying Mechanism
Patent:US2893631 07.07.1959 Nils H. Bergfelt Friden (P) : Power operated sign control mechanism
Patent:US2898039 04.08.1959 E. Ungricht Friden (P) : Constant Factor Storage Mechanism for a Calculating Machine
Patent:US2909320 20.10.1959 A. J. Malvazos Friden (P) : Back Transfer Mechanism
Patent:US2919852 05.01.1960 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US2926845 01.03.1960 Davis et al Friden (P) : Calculating Machine
Patent:US2926846 01.03.1960 Malavazos et al Friden (P) : Predetermined Carriage Shifting and Dividend Entering Means for a Calc Mach
Patent:US2928597 15.03.1960 Ellerbeck, Grant Clawson (P) Friden (P) : Interregister Transfer Device for Calculating Machines
Patent:US2933247 19.04.1960 Ellerbeck, Grant Clawson (P) Friden (P) : Short-Cut Multiplying Machine
Patent:US2935253 03.05.1960 Chall, Harold (P) et al Friden (P) : Selection Mechanism for Ten-Key Multiplier Control Unit
Patent:US2935254 03.05.1960 Plunkett Friden (P) : Calculating Machine
Patent:US2946505 26.07.1960 Davis Friden (P) : Calculating Machine
Patent:US2946506 26.07.1960 Malavazos Friden (P) : Multiplying Mechanism
Patent:US2950051 23.08.1960 Malavazos Friden (P) : Calc Mach Differential Drive and Tens Carry Mechanism
Patent:US2954922 04.10.1960 Chall, Harold (P) Friden (P) : Symbol printing mechanism
Patent:US2956742 18.10.1960 Colvin Friden (P) : Calculating Machine
Patent:US2969178 24.01.1961 Starr Friden (P) : Automatic Carriage Shifting Mechanism for a Calc Mach
Patent:US2970756 07.02.1961 Gilbert J. Spesock Donald L. Rolph Charles S. Balaz Friden (P) : Electro-magnetic selecting apparatus
Patent:US2975968 21.03.1961 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3000557 19.09.1961 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3003685 10.10.1961 Chall, Harold (P) et al Friden (P) : Escapement Control Mechanism for Ten Key Calc Mach
Patent:US3003689 10.10.1961 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3003690 10.10.1961 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3021055 13.02.1962 Chall, Harold (P) Friden (P) : Zero setting control means
Patent:US3022947 27.02.1962 Vito Viola Cecil Olson Friden (P) Calculating Machine Co. Inc. : Tens-transfer mechanism
Patent:US3022948 27.02.1962 Arthur J. Malavazos John W. Jamieson Friden (P) : Tens-transfer mechanism
Patent:US3030018 17.04.1962 Ellerbeck, Grant Clawson (P) Friden (P) : Calc Mach Cycle Inititiating Mechanism
Patent:US3032263 01.05.1962 Davis et al Friden (P) : Calculating Machine
Patent:US3036763 29.05.1962 Chall, Harold (P) Friden (P) : Calculating machine for converting scale readout to pounds and ounces
Patent:US3045907 24.07.1962 Malavazos Friden (P) : Calculating Machine
Patent:US3055579 25.09.1962 Chall, Harold (P) et al Friden (P) : Calculating Machine
Patent:US3062439 06.11.1962 Ellerbeck, Grant Clawson (P) Friden (P) : Program Control Mech for a Square Root Calc Mach
Patent:US3066864 04.12.1962 Malavazos et al Friden (P) : Calculating Machine
Patent:US3079076 26.02.1963 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3090554 21.05.1963 Malavazos Friden (P) : Calculating Machine
Patent:US3107607 22.10.1963 Chall, Harold (P) Cecil G. Olson Friden (P) : Decimal point printer calculating machines
Patent:US3107851 22.10.1963 Malavazos et al Friden (P) : Calculating Machine
Patent:US3107852 22.10.1963 Plunkett et al Friden (P) : Calculating Machine
Patent:US3108745 29.10.1963 Chall, Harold (P) et al Friden (P) : Calculating Machine
Patent:US3110441 12.11.1963 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3128945 14.04.1964 Malavazos et al Friden (P) : Calculating Machine
Patent:US3145923 25.08.1964 Chall, Harold (P) et al Friden (P) : Multiplier Control Mechanism for a Short-Cut Multiplication Machine
Patent:US3159341 01.12.1964 Ellerbeck, Grant Clawson (P) Friden (P) : Extended Square Root Mech for a Square Root Calc Mach
Patent:US3173608 16.03.1965 Malavazos Friden (P) : Calculating Machine
Patent:US3181786 04.05.1965 Canevari Friden (P) : Calculating Machine With Control of Decimal Places
Patent:US3184159 18.05.1965 Chall, Harold (P) et al Friden (P) : Progressive Latches for Calc Mach
Patent:US3207430 21.09.1965 Gross Friden (P) : Split Multiplication Mechanism for Calc Mach
Patent:US3210000 05.10.1965 Harold J. Chall Friden (P) Calculating Machine Co. Inc. : Calculating machine
Patent:US3212704 19.10.1965 Chall, Harold (P) et al Friden (P) : Multiplication Control for Calculating Machine
Patent:US3212705 19.10.1965 Chall, Harold (P) et al Friden (P) : Control for Short-Cut Multiplication
Patent:US3214094 26.10.1965 Ellerbeck, Grant Clawson (P) Friden (P) : Calculating Machine
Patent:US3214095 26.10.1965 Malavazos Friden (P) : Chain Discount Mechanism for Calculating Machine
Patent:US3214097 26.10.1965 Chall, Harold (P) and Pastrone, Giovanni Friden (P) : Multiplication Control for Calculating Machine
Patent:US3216657 09.11.1965 Chall, Harold (P) et al Friden (P) : Calc Mach for Performing Division
Patent:US3231192 25.01.1966 Ellerbeck, Grant Clawson (P) Friden (P) : Back Transfer Mechanism for Calc Mach
Patent:US3249301 03.05.1966 Malavazos et al Friden (P) : Back Transfer Mechanism for Calc Mach
Patent:US3253266 24.05.1966 Samwel Jan A Friden (P) : Calculating Machine
Patent:US3253779 31.05.1966 Chall, Harold (P) Friden (P) : Accumulator Drive
Patent:US3254834 07.06.1966 Canevari Friden (P) : Plural Register Printing Calculator
Patent:US3260448 12.07.1966 Chall, Harold (P) Friden (P) : Calculating Machine
Patent:US3260451 12.07.1966 Malavazos et al Friden (P) : Calculating Machine
Patent:US3285510 15.11.1966 Chall, Harold (P) et al Friden (P) : Division Control for Calc Mach
Patent:US3285511 15.11.1966 Canevari Friden (P) : Calculating Machine
Patent:US3331554 29.10.1963 Chall, Harold (P) George W. Bowers Friden (P) : Calculating machine
Patent:US3523282 04.08.1970 Ragen Robert A Friden (P) : Calculator
Patent:USD103425 02.03.1937 Friden Friden (P) : Calculating Machine with Shiftable Carriage
Patent:USD151521 26.10.1948 Machado Friden (P) : Calculating Machine
Patent:USD200742 30.05.1965 Shimano, Everitt Friden (P) : Electronic Calculator
Patent:USRe23259 22.08.1950 Moody, John L. (P) Friden (P) Calculating Machine Co. : Calculating machine
Patent:USRe23260 22.08.1950 Moody, John L. (P) Friden (P) Calculating Machine Co. : Calculating machine

Rechnerlexikon

patent

Search results for: Friden