TREA

William Allen Shaffer

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  • Scottdale, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drill bit configuration
    • Patent number 8,292,555
    • Issue date Oct 23, 2012
    • William Allen Shaffer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting point for a drill
    • Patent number 6,739,809
    • Issue date May 25, 2004
    • Kennametal Inc.
    • William A. Shaffer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    End mill grooved chip breaker flute
    • Publication number 20110085862
    • Publication date Apr 14, 2011
    • William Allen Shaffer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill bit configuration
    • Publication number 20100028098
    • Publication date Feb 4, 2010
    • William Allen Shaffer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cutting point for a drill
    • Publication number 20030053873
    • Publication date Mar 20, 2003
    • William A. Shaffer
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC