TREA

Donaldson; Helen

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  • Medford, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Snap ring removal tool
    • Patent number 4,475,276
    • Issue date Oct 9, 1984
    • Donaldson; Helen
    • Harold D. Staten
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Snap ring removal tool
    • Patent number 4,416,045
    • Issue date Nov 22, 1983
    • Donaldson; Helen
    • Harold D. Staten
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Router attachment for ornamenting a workpiece
    • Patent number 4,319,615
    • Issue date Mar 16, 1982
    • Ditmanson; Robert C.
    • Henry A. Ditmanson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

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