TREA

Marshall Duffield

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  • Newport Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable shelter
    • Patent number 11,447,946
    • Issue date Sep 20, 2022
    • Duffield Marine, Inc.
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Grant

    Waterproof storage unit
    • Patent number 10,190,310
    • Issue date Jan 29, 2019
    • Duffield Marine, Inc.
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Grant

    Boat window system
    • Patent number 8,240,269
    • Issue date Aug 14, 2012
    • Duffield Marine, Inc.
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Waterproof storage unit
    • Patent number 8,002,141
    • Issue date Aug 23, 2011
    • Duffield Marine, Inc.
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Grant

    Propeller
    • Patent number 7,806,661
    • Issue date Oct 5, 2010
    • Duffield Marine, Inc.
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat window system
    • Patent number 7,506,605
    • Issue date Mar 24, 2009
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat window system
    • Patent number 7,415,938
    • Issue date Aug 26, 2008
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat propeller
    • Patent number D575219
    • Issue date Aug 19, 2008
    • Marshall Duffield
    • D12 - Transportation
  • Information Patent Grant

    Swivel drive assembly
    • Patent number 6,503,109
    • Issue date Jan 7, 2003
    • Marshall D. Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE SHELTER
    • Publication number 20210310234
    • Publication date Oct 7, 2021
    • DUFFIELD MARINE, INC.
    • MARSHALL DUFFIELD
    • E04 - BUILDING
  • Information Patent Application

    WATERPROOF STORAGE UNIT
    • Publication number 20170121962
    • Publication date May 4, 2017
    • DUFFIELD MARINE, INC.
    • MARSHALL DUFFIELD
    • E04 - BUILDING
  • Information Patent Application

    WATERPROOF STORAGE UNIT
    • Publication number 20150068136
    • Publication date Mar 12, 2015
    • DUFFIELD MARINE, INC.
    • MARSHALL DUFFIELD
    • E04 - BUILDING
  • Information Patent Application

    WATERPROOF STORAGE UNIT
    • Publication number 20130312345
    • Publication date Nov 28, 2013
    • DUFFIELD MARINE, INC.
    • MARSHALL DUFFIELD
    • E04 - BUILDING
  • Information Patent Application

    WATERPROOF STORAGE UNIT
    • Publication number 20110203199
    • Publication date Aug 25, 2011
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Application

    BOAT WINDOW SYSTEM
    • Publication number 20110126754
    • Publication date Jun 2, 2011
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    BOAT WINDOW SYSTEM
    • Publication number 20100101476
    • Publication date Apr 29, 2010
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    WATERPROOF STORAGE UNIT
    • Publication number 20080302809
    • Publication date Dec 11, 2008
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Application

    PROPELLER
    • Publication number 20080267782
    • Publication date Oct 30, 2008
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Boat window system
    • Publication number 20080173230
    • Publication date Jul 24, 2008
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Propeller
    • Publication number 20060275131
    • Publication date Dec 7, 2006
    • Duffy Electric Boat Co.
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Waterproof storage unit
    • Publication number 20060273698
    • Publication date Dec 7, 2006
    • Duffy Electric Boat Co.
    • Marshall Duffield
    • E04 - BUILDING
  • Information Patent Application

    Boat window system
    • Publication number 20060225636
    • Publication date Oct 12, 2006
    • Duffy Electric Boat Company
    • Marshall Duffield
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT