TREA

Marcel P. Griffoul

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  • West Allis, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermostatic expansion valve
    • Patent number 4,015,776
    • Issue date Apr 5, 1977
    • The Singer Company
    • Charles D. Orth
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...