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Joseph Welk

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  • Godley, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coiled tubing trailer
    • Patent number 11,738,807
    • Issue date Aug 29, 2023
    • National-Oilwell Varco, L.P.
    • Mike Xiaolei Lu
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    COILED TUBING TRAILER
    • Publication number 20220219756
    • Publication date Jul 14, 2022
    • National-Oilwell Varco, L.P.
    • Mike Xiaolei Lu
    • B60 - VEHICLES IN GENERAL