TREA

John R. Dunkle

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  • Loveland, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reference electrode
    • Patent number 5,397,452
    • Issue date Mar 14, 1995
    • Hach Company
    • Michael D. Buck
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electrode with crystal membrane
    • Patent number 5,393,402
    • Issue date Feb 28, 1995
    • Hach Company
    • Nelson E. Dervaes
    • G01 - MEASURING TESTING