TREA

Bernard H. Engelhardt

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  • Dollard des Ormeaux, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wind alarm sensor
    • Patent number 4,788,534
    • Issue date Nov 29, 1988
    • Bernard Engelhardt
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Liquid level measuring apparatus
    • Patent number 4,112,761
    • Issue date Sep 12, 1978
    • Bernard H. Engelhardt
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Liquid level measuring apparatus
    • Patent number 4,036,055
    • Issue date Jul 19, 1977
    • Engelhardt; Bernard J.
    • Bernard H. Engelhardt
    • G01 - MEASURING TESTING