TREA

Robert B. Summers

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  • Indianapolis, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Test piece coloration comparative decision unit
    • Patent number 5,160,980
    • Issue date Nov 3, 1992
    • Boehringer Mannheim Corp
    • Bernd G. Herpichboehm
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Test piece coloration comparative decision unit
    • Patent number 5,160,979
    • Issue date Nov 3, 1992
    • Omrom Corp.
    • Hiroyuki Ota
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Colorimeter
    • Patent number D321488
    • Issue date Nov 12, 1991
    • Boehringer Mannheim Corporation
    • George H. Sierra
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Colorimeter
    • Patent number D318245
    • Issue date Jul 16, 1991
    • Boehringer Mannheim Corporation
    • George H. Sierra
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Test sample color comparison device
    • Patent number 5,011,290
    • Issue date Apr 30, 1991
    • Takao Terada
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Color test meter
    • Patent number 4,871,258
    • Issue date Oct 3, 1989
    • Boehringer Mannheim Corporation
    • Bernd G. Herpichboehm
    • G01 - MEASURING TESTING