TREA

Richard S. Hart

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  • Elgin, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chair
    • Patent number D336380
    • Issue date Jun 15, 1993
    • Systems Furniture Company
    • James E. Roseen
    • D06 - Furnishings
  • Information Patent Grant

    Lavatory
    • Patent number D332996
    • Issue date Feb 2, 1993
    • E. I. Du Pont de Nemours and Company
    • Richard S. Hart
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fastener
    • Patent number 5,068,945
    • Issue date Dec 3, 1991
    • Duraco Products, Inc.
    • Richard S. Hart
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Side extension for a toy wagon
    • Patent number D311554
    • Issue date Oct 23, 1990
    • Radio Flyer Inc.
    • Richard A. Valiga
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Side extension for a toy wagon
    • Patent number 4,930,831
    • Issue date Jun 5, 1990
    • Radio Flyer Inc.
    • Richard A. Valiga
    • A63 - SPORTS GAMES AMUSEMENTS