TREA

John T. Thorngren

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  • Dallas, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solar timer circuit
    • Patent number 10,856,521
    • Issue date Dec 8, 2020
    • TEXAND CORPORATION, INC.
    • John T. Thorngren
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Common ground control switch for an irrigation system
    • Patent number 5,239,203
    • Issue date Aug 24, 1993
    • Texand Corporation
    • John T. Thorngren
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Liquid activated control switch
    • Patent number 5,196,729
    • Issue date Mar 23, 1993
    • John T. Thorngren
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...