TREA

Richard C. Sankovich

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  • Winchester, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinged top card file
    • Patent number D256029
    • Issue date Jul 22, 1980
    • Rubbermaid Commercial Products Inc.
    • James F. Hampshire
    • D19 - Office supplies
  • Information Patent Grant

    Hinged top card file
    • Patent number D255805
    • Issue date Jul 8, 1980
    • Rubbermaid Commercial Products Inc.
    • James F. Hampshire
    • D19 - Office supplies