TREA

Francis W. Stager

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  • Stafford Springs, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fire safe butterfly valve
    • Patent number 4,220,172
    • Issue date Sep 2, 1980
    • Litton Industrial Products, Inc.
    • Francis W. Stager
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bidirectional valve for cryogenic fluids
    • Patent number 4,195,815
    • Issue date Apr 1, 1980
    • Litton Industrial Products, Inc.
    • Francis W. Stager
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Conical compression spring
    • Patent number 4,111,407
    • Issue date Sep 5, 1978
    • Litton Industrial Products, Inc.
    • Francis W. Stager
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...