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John P. Walters

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for storing gas samples
    • Patent number 4,499,930
    • Issue date Feb 19, 1985
    • Phillips Petroleum Company
    • John P. Walters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus and method for storing gas samples
    • Patent number 4,402,911
    • Issue date Sep 6, 1983
    • Phillips Petroleum Company
    • John P. Walters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL