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Richard J. Cooper

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  • Loveland, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nephelometer instrument
    • Patent number 5,604,590
    • Issue date Feb 18, 1997
    • Hach Company
    • Richard J. Cooper
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Nephelometer instrument
    • Patent number 5,506,679
    • Issue date Apr 9, 1996
    • Hach Company
    • Richard J. Cooper
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Laboratory nephelometer
    • Patent number D363676
    • Issue date Oct 31, 1995
    • Hach Company
    • Mark E. Anderson
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Portable colorimeter
    • Patent number D336444
    • Issue date Jun 15, 1993
    • Hach Company
    • Mark E. Anderson
    • D10 - Measuring, testing, or signalling instruments