TREA

Lawrence B. Welsh

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  • Evanston, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chlorine detection
    • Patent number 4,492,614
    • Issue date Jan 8, 1985
    • UOP Inc.
    • Lawrence B. Welsh
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor having thin film electrolyte
    • Patent number 4,040,929
    • Issue date Aug 9, 1977
    • Universal Oil Products Company
    • Carl F. Bauer
    • G01 - MEASURING TESTING