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James E. Halverson

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  • Hillsdale, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chain saw bar with automatic tensioning
    • Patent number 4,486,953
    • Issue date Dec 11, 1984
    • James E. Halverson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Chain saw bar with automatic tensioning
    • Patent number 4,361,960
    • Issue date Dec 7, 1982
    • James E. Halverson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...