TREA

David C. Byram

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  • River Falls, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve cover
    • Patent number D347299
    • Issue date May 24, 1994
    • Minnesota Mining and Manufacturing Company
    • John W. Bryant
    • D29 - Equipment for safety, protection, and rescue
  • Information Patent Grant

    Valve cover
    • Patent number D347298
    • Issue date May 24, 1994
    • Minnesota Mining and Manufacturing Company
    • Daniel A. Japuntich
    • D29 - Equipment for safety, protection, and rescue