William D. Carswell

Person

  • Chester, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricating greases

    • Patent number 4,251,431
    • Issue date Feb 17, 1981
    • Shell Oil Company
    • William D. Carswell
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...