TREA

OPI Testing Equipment, Inc.

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupler for viscometer bob shaft
    • Patent number 8,763,776
    • Issue date Jul 1, 2014
    • OPI Testing Equipment, Inc.
    • Richard Lukay
    • G01 - MEASURING TESTING