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Johnny W. Mayfield

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  • Placerville, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Universal pipe lathe
    • Patent number 4,397,202
    • Issue date Aug 9, 1983
    • Machine Cutting, Inc.
    • Johnny W. Mayfield
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Quick release pipe vise
    • Patent number 3,971,552
    • Issue date Jul 27, 1976
    • Johnny W. Mayfield
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS