TREA

Rotex Company

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Organization

  • Dallas, TX, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrically-powered eraser
    • Patent number D311757
    • Issue date Oct 30, 1990
    • Rotex Company
    • Mack W. Crutchfield
    • D19 - Office supplies
  • Information Patent Grant

    Erasing machine
    • Patent number 4,866,319
    • Issue date Sep 12, 1989
    • Rotex Company
    • Mack W. Crutchfield
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Battery operated eraser
    • Patent number D303271
    • Issue date Sep 5, 1989
    • Rotex Company
    • C. Dennis Lord
    • D19 - Office supplies
  • Information Patent Grant

    Dimple punch for forming risers on draftsmen's template
    • Patent number D285097
    • Issue date Aug 12, 1986
    • Rotex Company
    • C. Dennis Lord
    • D19 - Office supplies

Patents Applicationslast 30 patents

Trademarklast 30 trademarks