TREA

Helmut Willenbrock

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  • Achim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Probe for monitoring liquid
    • Patent number 5,272,921
    • Issue date Dec 28, 1993
    • Gestra Aktiengesellschaft
    • Werner Foller
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Probe assembly
    • Patent number 4,196,624
    • Issue date Apr 8, 1980
    • Gustav F. Gerdts KG
    • Helmut Willenbrock
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Probe assembly for monitoring liquids
    • Patent number 4,196,384
    • Issue date Apr 1, 1980
    • Gustav F. Gerdts KG
    • Helmut Willenbrock
    • G01 - MEASURING TESTING