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Evan STEPHENS

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  • Lloydminster, CA
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Patents Applicationslast 30 patents

  • Information Patent Application

    ADJUSTABLE PASSIVE CHOKES
    • Publication number 20200063766
    • Publication date Feb 27, 2020
    • Secure Energy (Drilling Services) Inc.
    • Evan STEPHENS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ADJUSTABLE PASSIVE CHOKES
    • Publication number 20180245438
    • Publication date Aug 30, 2018
    • SECURE ENERGY (DRILLING SERVICES) INC.
    • Evan STEPHENS
    • E21 - EARTH DRILLING MINING