Patente aus den USA 1930
- Patent:US1742521 07.01.1930 Gubelmann, William S. : Adding and recording machine
- Patent:US1742522 07.01.1930 Gubelmann, William S. : Adding and recording machine
- Patent:US1742523 07.01.1930 Gubelmann, William S. : Printing mechanism
- Patent:US1742524 07.01.1930 Gubelmann, William S. : Key mechanism for key controlled machines
- Patent:US1742525 07.01.1930 Gubelmann, William S. : Counting mechanism for calculating and like machines
- Patent:US1742526 07.01.1930 Gubelmann, William S. : Numbering mechanism for calculating and like machines
- Patent:US1742527 07.01.1930 Gubelmann, William S. : Transformation mechanism for calculating machines
- Patent:US1742528 07.01.1930 Gubelmann, William S. : Split calculating machine
- Patent:US1742529 07.01.1930 Gubelmann, William S. : Carriage mechanism for calculating and like machines
- Patent:US1742530 07.01.1930 Gubelmann, William S. : Nonprint mechanism for calculating and like machines
- Patent:US1742532 07.01.1930 Gubelmann, William S. : Repeating mechanism for calculating and like machines
- Patent:US1742533 07.01.1930 Gubelmann, William S. : Correction mechanism for key-controlled machines
- Patent:US1742534 07.01.1930 Gubelmann, William S. : Duplicate-printing mechanism for calculating and like machines
- Patent:US1742535 07.01.1930 Gubelmann, William S. : Word-printing mechanism
- Patent:US1742701 07.01.1930 Fuller, Frederick Remington Arms Comp. : Key-operated cash register
- Patent:US1742824 07.01.1930 A. Rozman : Calculating Machine
- Patent:US1743024 07.01.1930 Clark, Edward : Scriber and Ellipsograph
- Patent:US1743239 14.01.1930 Eliott P. Ross Ford Instrument Comp., Inc. : Navigational computing instrument
- Patent:US1743853 14.01.1930 T. R. Harrison : Meter
- Patent:US1744033 21.01.1930 Berger, Friedrich W.F. NCR : Cash register
- Patent:US1744183 21.01.1930 von Pein, Edward NCR : Cash Register
- Patent:US1744347 21.01.1930 : Coding machine
- Patent:US1744502 21.01.1930 Henry Resch Elliott-Fisher Comp. : Combined typewriting and computing machine
- Patent:US1744771 28.01.1930 George Alfred Julius : Machine for printing and issuing totalizator tickets and for operating totalizator registers and indicators
- Patent:US1745283 28.01.1930 von Pein, Edward NCR : Cash register
- Patent:US1746761 11.02.1930 J. Brendle : Time Recording Instrument
- Patent:US1747397 18.02.1930 Shipley, Bernis NCR : Cash register
- Patent:US1747743 18.02.1930 Sundstrand, Oscar Sundstrand Corp. : Printing mechanism
- Patent:US1748783 25.02.1930 Mcgaughy John B : Gas-orifice meter-chart calculating machine
- Patent:US1749694 04.03.1930 Broman Charles E Add Index Corp : Adding and recording machine
- Patent:US1749933 11.03.1930 : Apparatus for selective verbatim coding and decoding
- Patent:US1749960 11.03.1930 Shipley, Bernis NCR : Cash register
- Patent:US1750456 11.03.1930 Ferdinand H. Borm : Registering-device actuating means
- Patent:US1750459 11.03.1930 Carroll, Fred M. Tabulating Machine Company : Individually resettable accumulator unit tabulator
- Patent:US1750565 11.03.1930 Britten, Edwin Monroe Calculating Machine Comp. : Zero key machanism for key set registers
- Patent:US1825462 12.03.1930 Link, Edwin : Combination Training Device for Student Aviators and Entertainment Apparatus
- Patent:US1751609 25.03.1930 Turck, Joseph Abraham Valentine : Calculating Machine
- Patent:US1753288 08.04.1930 Fuller, Frederick Remington Arms Comp. Inc. : Cash register
- Patent:US1753479 08.04.1930 Robertson, William NCR : Elastic drive for cash registers
- Patent:US1753711 08.04.1930 Lee Starr McCorn Remington Typewriter Comp. : Computing machine
- Patent:US1754049 08.04.1930 Rieckhof, Christian : Method for determining the action of forces upon static constructions
- Patent:US1756401 29.04.1930 Sundstrand, Oscar Sundstrand Corp. : Tabulator
- Patent:US1757123 06.05.1930 Clair D. Lake Ralph E. Page Tabulating Machine Company : Tabulating machine
- Patent:US1757134 06.05.1930 Muller, Robert Burroughs Adding Machine Comp. : Accounting machine
- Patent:US1757669 06.05.1930 Johantgen, Oliver David Victor Adding Machine Co. : Flexible handle connection for calculating machines
- Patent:US1758016 13.05.1930 Sundstrand, Oscar Sundstrand Corp. : Transfer mechanism
- Patent:US1758819 13.05.1930 Berger, Friedrich W.F. NCR : Cash register
- Patent:US1758861 13.05.1930 Shipley, Bernis NCR : Cash register
- Patent:US1759069 20.05.1930 Sundstrand, Oscar Sundstrand Corp. : Cash register or similar machine
- Patent:US1974239 26.05.1930 Gorbatchewsky, Alexis : Calculating machine
- Patent:US1760870 03.06.1930 Breitling, Ernst Fried. Krupp AG : Line-adjusting mechanism
- Patent:US1761430 03.06.1930 Degener, Gustave O. Royal Typewriter Comp. : Adding attachment for typewriting machines
- Patent:US1761432 03.06.1930 Degener, Gustave O. Royal Typewriter Comp. : Adding attachment for typewriting machines
- Patent:US1761542 03.06.1930 Shipley, Bernis NCR : Cash register
- Patent:US1761547 03.06.1930 Frederick H. Tyler NCR : Cash register
- Patent:US1761548 03.06.1930 von Pein, Edward NCR : Cash register
- Patent:US1761556 03.06.1930 Arnold, Charles NCR : Cash register
- Patent:US1761571 03.06.1930 Kropff, Wilhelm NCR : Cash Register
- Patent:US1761572 03.06.1930 Kropff, Wilhelm NCR : Cash register
- Patent:US1761644 03.06.1930 Shipley, Bernis NCR : Cash register
- Patent:US1761651 03.06.1930 Brand, Samuel NCR : Cash register
- Patent:US1761662 03.06.1930 Goldberg, Maximilian Meyer NCR : Auditing machine
- Patent:US1761684 03.06.1930 Robertson, William NCR : Auditing machine
- Patent:US1761689 03.06.1930 Shipley, Bernis NCR : Cash register
- Patent:US1761742 03.06.1930 N. W. Perkins : Subtraction Control for Calculating Machines
- Patent:US1761774 03.06.1930 Carroll, Fred M. Tabulating Machine Company : One revolution clutch
- Patent:US1762145 10.06.1930 George F. Daly Ralph E. Page Tabulating Machine Company : Tabulating machine
- Patent:US1763650 17.06.1930 Harry W. Gregory Remington Arms Comp. : Cash Register
- Patent:US1763699 17.06.1930 Green, Charles Remington Arms Comp. : Cash register
- Patent:US1764959 17.06.1930 Clarence L. Johnston Carl M.F. Friden Marchant Calculating Machine Comp. : Calculating machine
- Patent:US1765697 24.06.1930 Herron Wilmer B Palmer Nelson P : Calculating Machine
- Patent:US1767673 24.06.1930 Horton, Allen Charles Marti Burroughs Adding Machine Comp. : Key lock for calculating machines
- Patent:US1767674 24.06.1930 Horton, Allen Burroughs Adding Machine Comp. : Transfer mechanism for calculating machines
- Patent:US1767765 24.06.1930 Landsiedel, Harry Remington Rand Inc : Adding Machine
- Patent:US1767792 24.06.1930 Hart, Frederick Remington Accounting Machine Comp. : Combined typewriting and computing machine
- Patent:US1769759 01.07.1930 J. F. Stimson et al : Perpetual Calendar
- Patent:US1770089 08.07.1930 Simones Paul J : Checking mechanism for adding machines
- Patent:US1770304 08.07.1930 Ferris Harry H : Calculating Device
- Patent:US1770461 15.07.1930 Wilbur A. Cogshall : Device for determining solar altitudes
- Patent:US1770708 15.07.1930 William L. Paden Ohmer Fare Register Comp. : Indicator control device for cash registers
- Patent:US1771614 29.07.1930 Birney W. Bowman Bridge Specialties Comp. : Score-calculating device
- Patent:US1773025 12.08.1930 Chase, George Clinton : Carriage Shift Controll for Calcualting Machines
- Patent:US1773026 12.08.1930 Chase, George Monroe Calculating Machine Comp. : Carriage-shifting mechanism for calculators
- Patent:US1773027 12.08.1930 Chase, George Monroe Calculating Machine Comp. : Calculating machine
- Patent:US1773145 19.08.1930 Kassner, Ernst : Calculating Machine
- Patent:US1773392 19.08.1930 Eichenauer, Konrad Rheinmetall (Rheinische Metallwaaren- und Maschinenfabrik) : Calculating machine for all species
- Patent:US1773816 26.08.1930 J. E. Lea : Apparatus for Measuring Granular Materials Volumetrically
- Patent:US1774177 26.08.1930 E. Harris : Calculating Device
- Patent:US1774287 26.08.1930 Muller, Robert Burroughs Adding Machine Comp. : Paper feeding equipment for accounting machines
- Patent:US1774289 26.08.1930 Pasinski, Walter Burroughs Adding Machine Comp. : Transfer mechanism
- Patent:US1775066 02.09.1930 Adolph Buxova Bulova Watch Comp. : Watch and golf score
- Patent:US1775117 09.09.1930 Bryce, James Tabulating Machine Company : Stationary commutator-type tabulator
- Patent:US1775132 09.09.1930 Lake, Clair D.; Storey, Frederick A. Tabulating Machine Comp. : Tabulating machine
- Patent:US1775223 09.09.1930 Harry A. Foothorap Elliott-Fisher Comp. : Computing machine
- Patent:US1775326 09.09.1930 John H.F. Silver : Control mechanism for calculating machines
- Patent:US1776076 16.09.1930 Kuhrt, Ernst Brunsviga : Printing Mechanism for Calculating Machines
- Patent:US1777430 07.10.1930 C. E. A. Claus : Typewriter Calculating Machine
- Patent:US1777692 07.10.1930 Fuss, Herbert : Calculating Apparatus
- Patent:US1777898 07.10.1930 Rudin, Karl Viktor : Transfer mechanism
- Patent:US1778037 14.10.1930 Perry Okey : Computing device
- Patent:US1778506 14.10.1930 Pasinski, Walter Burroughs Adding Machine Comp. : Accounting machine
- Patent:US1779504 28.10.1930 Arthur Thomas Accounting and Tabulating Corp O : Calculating Device
- Patent:US1779717 28.10.1930 Sundstrand, Oscar Sundstrand Corp. : Computing and printing machine
- Patent:US1779774 28.10.1930 George Alfred Julius, Francis Julius Awdry : Means for calculating the ratio of variable quantities
- Patent:US1780078 28.10.1930 M. P. Hite : Calculating Device
- Patent:US1780237 04.11.1930 Bernard S. Leslie Krippendorf Kalculator Comp. : Area-estimating device for sheet material
- Patent:US1780494 04.11.1930 Mcnally John R : Calculating Device
- Patent:US1780621 04.11.1930 Lasker, William Walter Remington Rand Inc : Tabulating-machine
- Patent:US1780685 04.11.1930 Peirce, John Royden IBM : Printing tabulating machine
- Patent:US1780884 04.11.1930 Martin Lebeis Remington Rand Inc : Tabulating machine
- Patent:US1781179 11.11.1930 Horton, Allen Burroughs Adding Machine Comp. : Transfer mechanism for calculating machines
- Patent:US1781320 11.11.1930 Crosman, Loring Pickering Monroe Calculating Machine Comp. : Zero setting device
- Patent:US1781689 18.11.1930 Horton, Allen Burroughs : Controlling mechanism for power-driven calculating machines
- Patent:US1782294 18.11.1930 Charles Louis Florisson Soc. de Condensation et d Applications Mecaniques : Method and apparatus for torpedo-firing operations
- Patent:US1783398 02.12.1930 Joseph Zubaty A C Spark Plug Comp. : Reset mechanism for odometers
- Patent:US1783769 02.12.1930 Mortimer F. Bates Sperry Gyroscope Comp. Inc. : Bomb sight
- Patent:US1783943 02.12.1930 Kassner, Ernst : Combined duplex adding machine and cash register
- Patent:US1784862 16.12.1930 Barrett, Glenn J. Portable Adding Machine Compan : Adding Machine
- Patent:US1784929 16.12.1930 Georges Estopfey : Aerial navigation instrument
- Patent:US1785525 16.12.1930 M. Morrison : Integrator and Recorder
- Patent:US1786059 23.12.1930 William Eraser : Aeronautical indicator
- Patent:US1786164 23.12.1930 Kottmann, August Rheinmetall Rheinische Metallwaaren und Maschinenfabrik : Drive for the stepped drums of calculating machines
- Patent:US1786454 30.12.1930 Robertson, William NCR : Cash register
- Patent:US1786525 30.12.1930 Goldberg, Maximilian Meyer NCR : Computing machine
- Patent:US1787259 30.12.1930 Payne Walter, Bohrer Raymond, William Fuhlborn Todd Company Inc : Calculating Machine
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