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Duane M. Gibson

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  • Milwaukie, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chain tensioner for chain saw
    • Patent number 5,896,670
    • Issue date Apr 27, 1999
    • Blount, Inc.
    • Duane M. Gibson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Cutter link for saw chain having guide surface for sharpening
    • Patent number 4,785,700
    • Issue date Nov 22, 1988
    • Blount, Inc.
    • Michael V. Petrovich
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Hand held cutting tools
    • Patent number 4,627,165
    • Issue date Dec 9, 1986
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Saw chain with improved cutting depth control
    • Patent number 4,581,968
    • Issue date Apr 15, 1986
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Saw chain
    • Patent number 4,535,667
    • Issue date Aug 20, 1985
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Saw chain sharpening method and apparatus
    • Patent number 4,530,258
    • Issue date Jul 23, 1985
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Cutting tool with improved depth control
    • Patent number 4,501,184
    • Issue date Feb 26, 1985
    • Omark Industries, Inc.
    • Lewis A. Scott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Cutting tool with cutting tooth insert
    • Patent number 4,497,232
    • Issue date Feb 5, 1985
    • Omark Industries
    • Lewis A. Scott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Method and apparatus for determining the sharpness of a saw chain
    • Patent number 4,331,028
    • Issue date May 25, 1982
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Chain saw
    • Patent number 4,316,327
    • Issue date Feb 23, 1982
    • Omark Industries, Inc.
    • Lewis A. Scott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Portable saw
    • Patent number 4,272,889
    • Issue date Jun 16, 1981
    • Omark Industries, Inc.
    • Lewis A. Scott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Splitting device
    • Patent number 4,194,544
    • Issue date Mar 25, 1980
    • Omark Industries, Inc.
    • Lewis A. Scott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Chain saw guide bar with detachable nose
    • Patent number 3,987,544
    • Issue date Oct 26, 1976
    • Omark Industries, Inc.
    • Duane M. Gibson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...