TREA

Mark L. Walsh

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diving mask
    • Patent number D290763
    • Issue date Jul 7, 1987
    • Dacor Corporation
    • Mark L. Walsh
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Snorkel
    • Patent number D288346
    • Issue date Feb 17, 1987
    • Dacor Corporation
    • Mark L. Walsh
    • D21 - Games, toys, and sports goods