TREA

Stephen E. Houghland

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  • Maplewood, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal switch
    • Patent number 4,179,679
    • Issue date Dec 18, 1979
    • Minnesota Mining and Manufacturing Company
    • Stephen E. Houghland
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical wire cutting circuit breaker
    • Patent number 4,030,061
    • Issue date Jun 14, 1977
    • Minnesota Mining and Manufacturing Company
    • Clifford R. Gaskell
    • A62 - LIFE-SAVING FIRE-FIGHTING