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Clayton D. Fryer

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  • Missouri City, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid level detection
    • Patent number 5,094,102
    • Issue date Mar 10, 1992
    • Phillips Petroleum Company
    • Clayton D. Fryer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Liquid level detection
    • Patent number 4,972,705
    • Issue date Nov 27, 1990
    • Phillips Petroleum Company
    • Clayton D. Fryer
    • E21 - EARTH DRILLING MINING