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Frankie Chen

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  • Taipei, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Triplicate diving gas valve device
    • Patent number 6,513,525
    • Issue date Feb 4, 2003
    • Frankie Chen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Scuba diving regulator
    • Patent number 6,332,464
    • Issue date Dec 25, 2001
    • Frankie Chen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Amphibious audible alarm device
    • Patent number 5,951,205
    • Issue date Sep 14, 1999
    • Frankie Chen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Integrally-encased diving control valve means
    • Patent number 5,788,415
    • Issue date Aug 4, 1998
    • Frankie Chen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    Triplicate diving gas valve device
    • Publication number 20020157669
    • Publication date Oct 31, 2002
    • Frankie Chen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT