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Marion W. Mason

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  • Winston-Salem, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Closed oil drainage system method
    • Patent number 5,975,244
    • Issue date Nov 2, 1999
    • Storeman; James M.
    • Marion W. Mason
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Closed oil drainage system
    • Patent number 5,881,841
    • Issue date Mar 16, 1999
    • Marion W. Mason
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...