linear graduations

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  • CPC
  • G06G1/105
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trigonometer

    • Patent number 9,212,885
    • Issue date Dec 15, 2015
    • Patrick Elie Kattan
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2634054

    • Patent number 2,634,054
    • Issue date Apr 7, 1953
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Trigonometer

    • Publication number 20140215840
    • Publication date Aug 7, 2014
    • Patrick Elie Kattan
    • G01 - MEASURING TESTING