Calvin C. Forsythe

Person

  • Tulsa, OK, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Safety pressure relief device

    • Patent number 4,301,938
    • Issue date Nov 24, 1981
    • BS & B Safety Systems, Inc.
    • Loren E. Wood
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety pressure relief device

    • Patent number 4,278,181
    • Issue date Jul 14, 1981
    • BS & B Safety Systems, Inc.
    • Loren E. Wood
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety pressure relief device

    • Patent number 4,269,214
    • Issue date May 26, 1981
    • BS & B Safety Systems, Inc.
    • Calvin C. Forsythe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety pressure relief apparatus

    • Patent number 4,236,648
    • Issue date Dec 2, 1980
    • Black, Sivalls & Bryson
    • Loren E. Wood
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...