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John Michael McDuffie

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  • Marcoisland, FL, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi purpose variable speed wind powered generator
    • Publication number 20120087793
    • Publication date Apr 12, 2012
    • John Michael McDuffie
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Multi purpose variable speed wind powered generator
    • Publication number 20110101688
    • Publication date May 5, 2011
    • John Michael McDuffie
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Stroke master
    • Publication number 20100228164
    • Publication date Sep 9, 2010
    • John Michael McDuffie
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE