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James P. Duffy

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  • Springfield, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Router cutting bit
    • Patent number 5,176,476
    • Issue date Jan 5, 1993
    • The Boeing Company
    • James P. Duffy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chip removal and tool lubricating device and method
    • Patent number 4,778,315
    • Issue date Oct 18, 1988
    • The Boeing Company
    • James P. Duffy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR