TREA

George W. Sekiya

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control valve
    • Patent number 4,262,844
    • Issue date Apr 21, 1981
    • Mark Controls Corporation
    • George W. Sekiya
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Temperature monitor and alarm system
    • Patent number 4,256,258
    • Issue date Mar 17, 1981
    • Mark Controls Corporation
    • George W. Sekiya
    • G05 - CONTROLLING REGULATING