Thomas E. Hagan

Person

  • Malvern, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas supply safety device

    • Patent number 4,958,657
    • Issue date Sep 25, 1990
    • Umac Incorporated
    • Thomas E. Hagan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...