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Donald Shaffer

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  • Lake Ariel, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Crank-less motion converter
    • Patent number 10,156,287
    • Issue date Dec 18, 2018
    • Donald Shaffer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CRANK-LESS MOTION CONVERTER
    • Publication number 20150211611
    • Publication date Jul 30, 2015
    • Donald Shaffer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...