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Die große Enzyklopädie des mechanischen Rechnens

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Patente aus den USA 2001


  • Patent:US6171111 09.01.2001 Buckner, Harry (2140 Sycamore, Apt. 3, Louisville, KY : Educational device for illustrating mathematical relationships
  • Patent:US6192594 27.02.2001 Wackowski, Sally L. (Vernal, UT) : Fraction ruler
  • Patent:US6196455 06.03.2001 Bruce N. Robinson : Range and drop calculator for use with telescopic gun sights
  • Patent:US6196847 06.03.2001 Karunamuni, Anura J. (3147 McCord Blvd., Tallahassee, FL : Educational mathematical apparatus
  • Patent:US6200140 13.03.2001 Steane, Douglas Allan : Double-beam math balance
  • Patent:US6206372 27.03.2001 Harris, Richard Lionel : Magic squares game
  • Patent:US6213779 10.04.2001 Campbell, Jacqueline B. (5915 Walnut St., Philadelphia, PA : Conic section activity boards
  • Patent:US6254713 03.07.2001 Riehle, Harald : Method for producing a composite-like information carrier
  • Patent:US6265651 14.08.2001 Landtroop, Jeffrey : Gauge for selecting musical instrument strings
  • Patent:US6276067 21.08.2001 Hsu, Walter W. : Ellipse drawing/cutting device
  • Patent:US6276069 21.08.2001 Chadwick, Douglas Owen (Kenosha, WI), Brindisi, Mala : Brassiere sizer
  • Patent:US6288315 11.09.2001 Bennett, Morgan : Method and apparatus for musical training
  • Patent:US6308426 30.10.2001 Lim, Hyoun-Gyu : Ellipsograph
  • Patent:US6323410 27.11.2001 Rackow, Daniel : Slide Rule musical scale teaching device
  • Patent:US6329919 11.12.2001 Boies, Stephen, Dinkin, Samuel et al. IBM : System and method for providing reservations for restroom use
  • Patent:US6330970 18.12.2001 Whalen, Edward E. : Global time calculator


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