TREA

Roger D. Bloomfield

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  • Jackson, WY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Film fastening system
    • Patent number 4,267,876
    • Issue date May 19, 1981
    • Park Fastener Company
    • Roger D. Bloomfield
    • E04 - BUILDING
  • Information Patent Grant

    Cover for solar heat collector
    • Patent number 4,224,928
    • Issue date Sep 30, 1980
    • Park Energy Company
    • Frank D. Werner
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Double cord edge fastener
    • Patent number 3,987,835
    • Issue date Oct 26, 1976
    • Werner; Frank D.
    • Roger D. Bloomfield
    • A44 - HABERDASHERY JEWELLERY