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Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

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Pfeil.gif Brevetti  Pfeil.gif Stati Uniti  Pfeil.gif 2002

Patente aus den USA 2002


  • Patent:US6341779 29.01.2002 Merritt, Arthur : Mathematical card and dice game
  • Patent:US6374503 23.04.2002 Carlson, Christopher; Cornell, Robert : Oval cutter
  • Patent:US6375468 23.04.2002 Sundararajan, Kalyani (26 Royal Dominion Ct., Bethesda, MD : Educational tool
  • Patent:US6386880 14.05.2002 Bryant, Wilbert : Numerical problem solving game
  • Patent:US6393707 28.05.2002 Maffei Michele Promo Service Di Michele Maffe : Slide Rule and indicator which can also be combined with boxes for medicines and other items
  • Patent:US6409664 25.06.2002 Michael W. Kattan Peter T. Scardino : Nomograms to aid in the treatment of prostatic cancer
  • Patent:US6413099 02.07.2002 Rainey, John Desmond (P.O. Box 40-288, Glenfield, Auckland, : Educational device for teaching simple and complex mathematical concepts
  • Patent:US6447300 10.09.2002 Greenberg, Joseph G. : Educational card game
  • Patent:US6460762 08.10.2002 Bromberg, Ronald (2675 Henry Hudson Pkwy., Bronx, NY : Wheel calculator
  • Patent:US6464504 15.10.2002 Wingert, Diane : Mathematical game of amusement
  • Patent:US6484406 26.11.2002 Gardner, Mark T. (late of Carl Junction, MO) Alterra holdings corp. : Hand-held cutting devices
  • Patent:US6484932 26.11.2002 John P. Kinney Quintin D. Kinney : Method and apparatus for communicating ultraviolet (UV) radiation information


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