TREA

Virgil R. Friebel

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  • Longmont, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Static electricity indicator
    • Patent number 4,208,629
    • Issue date Jun 17, 1980
    • Ball Corporation
    • Virgil R. Friebel
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Release coating for glass manufacture
    • Patent number 4,039,337
    • Issue date Aug 2, 1977
    • Ball Brothers Research Corporation
    • Richard E. Brown
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Leader strip for motion picture film
    • Patent number 4,038,453
    • Issue date Jul 26, 1977
    • Ball Brothers Research Corporation
    • Thomas J. Loran
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY