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David Schaefer

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  • Sunriver, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pontoon shields
    • Patent number 10,005,528
    • Issue date Jun 26, 2018
    • David Schaefer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Pontoon shields
    • Patent number 9,688,368
    • Issue date Jun 27, 2017
    • David Schaefer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    PONTOON SHIELDS
    • Publication number 20180281908
    • Publication date Oct 4, 2018
    • D.P. SCHAEFER AND COMPANY LLC
    • David SCHAEFER
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    PONTOON SHIELDS
    • Publication number 20170203821
    • Publication date Jul 20, 2017
    • Cascade Wellness Technologies, Inc.
    • David Schaefer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    PONTOON SHIELDS
    • Publication number 20160200407
    • Publication date Jul 14, 2016
    • David Schaefer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    PONTOON SHIELDS
    • Publication number 20160200406
    • Publication date Jul 14, 2016
    • David Schaefer
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT