TREA

Robert D. Stream

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  • Ft. Collins, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    System for verifying the calibration of a turbidimeter
    • Patent number 5,912,737
    • Issue date Jun 15, 1999
    • Hach Company
    • Ashim K. Bannerjee
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Turbidimeter
    • Patent number D402768
    • Issue date Dec 15, 1998
    • Hach Company
    • Ernie R. Paoli
    • D24 - Medical and laboratory equipment
  • Information Patent Grant

    Bubble elimination from liquid
    • Patent number 5,831,727
    • Issue date Nov 3, 1998
    • Hach Company
    • Robert D. Stream
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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