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William Quintrell

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  • Milton, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coal tracker
    • Patent number 10,530,428
    • Issue date Jan 7, 2020
    • JRL Coal, Inc.
    • William Quintrell
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH WALL MINING METHOD
    • Publication number 20200355075
    • Publication date Nov 12, 2020
    • JRL Coal, Inc.
    • William Quintrell
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    COAL TRACKER
    • Publication number 20200091967
    • Publication date Mar 19, 2020
    • JRL Coal, Inc.
    • William Quintrell
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    COAL TRACKER
    • Publication number 20190181917
    • Publication date Jun 13, 2019
    • William Quintrell
    • E21 - EARTH DRILLING MINING