TREA

John H. Royce

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  • Traverse City, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Assembly method for fire hydrants
    • Patent number 4,139,931
    • Issue date Feb 20, 1979
    • Waterous Company
    • John H. Royce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Valve for fire hydrants
    • Patent number 4,073,307
    • Issue date Feb 14, 1978
    • Traverse City Iron Works
    • John H. Royce
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR