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Gerald Leeb

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  • Gwynne, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual check valve
    • Patent number 8,668,015
    • Issue date Mar 11, 2014
    • Gerald Leeb
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    DUAL CHECK VALVE
    • Publication number 20100116503
    • Publication date May 13, 2010
    • Gerald Leeb
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Dual check valve
    • Publication number 20070215356
    • Publication date Sep 20, 2007
    • Gerald Leeb
    • E21 - EARTH DRILLING MINING