TREA

Arthur G. Wigdahl

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  • West Salem, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Domestic boiler
    • Patent number 4,281,604
    • Issue date Aug 4, 1981
    • Arthur G. Wigdahl
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Boiler for domestic heating systems
    • Patent number 4,240,362
    • Issue date Dec 23, 1980
    • Arthur G. Wigdahl
    • F24 - HEATING RANGES VENTILATING