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Christopher F. Fitzgerald

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  • Belchertown, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hole saw
    • Patent number D789428
    • Issue date Jun 13, 2017
    • Irwin Industrial Tool Company
    • Joseph Thomas Novak
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Coated hole cutter
    • Patent number 9,586,270
    • Issue date Mar 7, 2017
    • Irwin Industrial Tool Company
    • Robert Richard Zielonka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Retained aligning rotating hack saw blade tensioning mechanism and...
    • Patent number 9,463,516
    • Issue date Oct 11, 2016
    • Irwin Industrial Tool Company
    • Matthew C. Green
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw
    • Patent number D711441
    • Issue date Aug 19, 2014
    • Irwin Industrial Tool Company
    • Joseph Thomas Novak
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hole cutter with minimum tooth pitch to blade body thickness ratio
    • Patent number 8,573,907
    • Issue date Nov 5, 2013
    • Irwin Industrial Tool Company
    • Charles E. Kalomeris
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw
    • Patent number D692470
    • Issue date Oct 29, 2013
    • Irwin Industrial Tool Company
    • Joseph Thomas Novak
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hole saw
    • Patent number D690334
    • Issue date Sep 24, 2013
    • Irwin Industrial Tool Company
    • Robert Richard Zielonka
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents