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Brian K. Douglas

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  • Enfield, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Methods of making utility knife blades
    • Patent number 9,126,259
    • Issue date Sep 8, 2015
    • American Saw & Mfg. Company
    • William B. Korb
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite utility knife blade, and method of making such a blade
    • Patent number 8,291,602
    • Issue date Oct 23, 2012
    • Irwin Industrial Tool Company
    • William B. Korb
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite utility blade, and method of making such a blade
    • Patent number 7,712,222
    • Issue date May 11, 2010
    • Irwin Industrial Tool Company
    • William B. Korb
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a composite utility blade
    • Patent number 7,658,129
    • Issue date Feb 9, 2010
    • Irwin Industrial Tool Company
    • William B. Korb
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sheet metal hole cutter
    • Patent number 6,939,092
    • Issue date Sep 6, 2005
    • Irwin Industrial Tool Company
    • William B. Korb
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite utility knife blade
    • Patent number 6,701,627
    • Issue date Mar 9, 2004
    • American Saw & Mfg. Company, Inc.
    • William B. Korb
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents