TREA

David Matthewman

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  • Wakefield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf ball
    • Patent number D329675
    • Issue date Sep 22, 1992
    • Dunlop Limited a British Company
    • Brian F. Machin
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf ball
    • Patent number D328321
    • Issue date Jul 28, 1992
    • Dunlop Limited a British Company
    • Brian F. Machin
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf ball
    • Patent number D319483
    • Issue date Aug 27, 1991
    • Dunlop Limited a British Company
    • Brian F. Machin
    • D21 - Games, toys, and sports goods