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William J. Griffin

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  • Walker Springs, AL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centering device and method
    • Patent number 4,667,549
    • Issue date May 26, 1987
    • William J. Griffin
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centering device and method
    • Patent number 4,656,745
    • Issue date Apr 14, 1987
    • William J. Griffin
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centering device and method
    • Patent number 4,619,049
    • Issue date Oct 28, 1986
    • William J. Griffin
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...