TREA

John J. Chapman

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  • Virginia Beach, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid flowmeter
    • Patent number 4,041,757
    • Issue date Aug 16, 1977
    • Teledyne, Inc.
    • William C. Baker
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fluid flowmeter
    • Patent number 4,016,759
    • Issue date Apr 12, 1977
    • Teledyne, Inc.
    • William C. Baker
    • G01 - MEASURING TESTING