TREA

Jon Atherton

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  • Hillsboro, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wood-treating device
    • Patent number 5,620,516
    • Issue date Apr 15, 1997
    • National Wood Treating Company
    • Guy G. Helsing
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood-treating device
    • Patent number 5,443,641
    • Issue date Aug 22, 1995
    • National Wood Treating Company
    • Guy G. Helsing
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...