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Geoffrey W.A. Johnson

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  • Redmond, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self Torrefied Pellet Stove
    • Patent number 9,927,174
    • Issue date Mar 27, 2018
    • Geoffrey W. A. Johnson
    • F26 - DRYING
  • Information Patent Grant

    Firestarting pellet
    • Patent number 5,296,004
    • Issue date Mar 22, 1994
    • Geoffrey W. A. Johnson
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents