TREA

John R. Foster

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  • Lincolnville, ME, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve refacing tool
    • Patent number 5,882,250
    • Issue date Mar 16, 1999
    • John R. Foster
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Valve refacing tool
    • Patent number 5,749,774
    • Issue date May 12, 1998
    • John R. Foster
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR