Robert A. Pontefract

Person

  • Chelmsford, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    LPG gauge sensor

    • Patent number 5,305,639
    • Issue date Apr 26, 1994
    • Scully Signal Company
    • Robert A. Pontefract
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Optical probe shield

    • Patent number 5,198,681
    • Issue date Mar 30, 1993
    • Scully Signal Company
    • Robert A. Pontefract
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Laminated gage glass assembly

    • Patent number 4,372,652
    • Issue date Feb 8, 1983
    • White Consolidated Industries, Inc.
    • Robert A. Pontefract
    • G02 - OPTICS
  • Information Patent Grant

    Liquid level indicator

    • Patent number 4,014,214
    • Issue date Mar 29, 1977
    • Jerguson Gaga and Valve Company
    • Robert A. Pontefract
    • G01 - MEASURING TESTING