TREA

Charles D. Donaldson

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  • Loveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spool
    • Patent number D341769
    • Issue date Nov 30, 1993
    • Dyment Limited
    • Charles D. Donaldson
    • D08 - Tools and hardware
  • Information Patent Grant

    Interlock panel for a spool
    • Patent number D337718
    • Issue date Jul 27, 1993
    • Dyment Limited
    • Charles D. Donaldson
    • D08 - Tools and hardware
  • Information Patent Grant

    Flange plate for a spool
    • Patent number D337511
    • Issue date Jul 20, 1993
    • Dyment Limited
    • Charles D. Donaldson
    • D08 - Tools and hardware