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Die große Enzyklopädie des mechanischen Rechnens

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Patente aus den USA 2003


  • Patent:US6513257 04.02.2003 Nejad-Sattari, Reza (2 Old Brick Cir., Pittsford, NY 14534) : Method and apparatus for determining scale in photographic images
  • Patent:US6513708 04.02.2003 Evans, Elizabeth A. (99-337 Uwau Dr., Aiea, HI 96701) : Mathematics teaching system
  • Patent:US6551110 22.04.2003 Hastie, Patricia Catherine : Visual educational device for teaching literacy
  • Patent:US6561415 13.05.2003 Grant, Katherine : Calorie management system
  • Patent:US6579101 17.06.2003 Phan, Que N. (1798 Donna La., #2, San Jose, CA 95124-3019) : Basic mathematics teaching and learning aid
  • Patent:US6648219 18.11.2003 Daunell, David (P.O. Box 685, Woodacre, CA 94973) : Hand held pipe bending calculator
  • Patent:US6655578 02.12.2003 Ward, Eileen (200 Somerset St., Trenton, NJ 08638) : Instrument for computing proportions of an original recipe
  • Patent:USD483689S 16.12.2003 Harper Richard J : Slide Rule plaque


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