TREA

Grant W. Walker

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  • Sacramento, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for manufacturing practice golf ball
    • Patent number 4,995,613
    • Issue date Feb 26, 1991
    • Spin-Alizer Corporation
    • Grant W. Walker
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Horizontally-resilient golf tee mat
    • Patent number 4,913,442
    • Issue date Apr 3, 1990
    • Grant W. Walker
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf swing analyzer
    • Patent number 4,889,341
    • Issue date Dec 26, 1989
    • Grant W. Walker
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 4,886,275
    • Issue date Dec 12, 1989
    • Grant W. Walker
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Pipe joint
    • Patent number 4,746,147
    • Issue date May 24, 1988
    • ECW, Inc.
    • Grant W. Walker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe wrapping machine
    • Patent number 4,688,374
    • Issue date Aug 25, 1987
    • Essex Composite Wrap, Inc.
    • Grant W. Walker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Practice ball for golfers
    • Patent number 4,596,392
    • Issue date Jun 24, 1986
    • Blayden; John M.
    • Grant W. Walker
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Method of forming a tubular container
    • Patent number 4,097,572
    • Issue date Jun 27, 1978
    • Energy Absorption Systems, Inc.
    • Grant W. Walker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tubular member and process of forming a tubular member
    • Patent number 4,071,599
    • Issue date Jan 31, 1978
    • Energy Absorption Systems, Inc.
    • Grant W. Walker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Impact barrier for vehicles
    • Patent number 4,008,915
    • Issue date Feb 22, 1977
    • Dynamics Research and Manufacturing, Inc.
    • Grant W. Walker
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Impact barrier and restraint
    • Patent number 3,982,734
    • Issue date Sep 28, 1976
    • Dynamics Research and Manufacturing, Inc.
    • Grant W. Walker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Tubular member and process of forming a tubular member
    • Patent number 3,973,596
    • Issue date Aug 10, 1976
    • Grant W. Walker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Roadway impact attenuator
    • Patent number 3,944,187
    • Issue date Mar 16, 1976
    • Dynamics Research and Manufacturing, Inc.
    • Grant W. Walker
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES