TREA

David E. Wiklund

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric pressure frequency sensor
    • Patent number 4,559,832
    • Issue date Dec 24, 1985
    • Fisher Controls Company, Inc.
    • Brian J. Burlage
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vortex flow meter
    • Patent number 4,487,076
    • Issue date Dec 11, 1984
    • Fisher Controls International, Inc.
    • Brian J. Burlage
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pneumatic controller
    • Patent number 4,453,559
    • Issue date Jun 12, 1984
    • Fisher Controls Company, Inc.
    • Gerald F. Varnum
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Vortex-shedding flowmeter having two bluff bodies
    • Patent number 4,350,047
    • Issue date Sep 21, 1982
    • Fisher Controls Company, Inc.
    • Clarence F. Dewey
    • G01 - MEASURING TESTING