Chandler H. Barkelew

Person

  • Eugene, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Orifice blockage detection system

    • Patent number 4,850,001
    • Issue date Jul 18, 1989
    • Shell Oil Company
    • Frederik M. H. J. Duysings
    • G01 - MEASURING TESTING