William H. Powlesland

Person

  • Toronto, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrogen sulphide removal process

    • Patent number 4,027,002
    • Issue date May 31, 1977
    • Powlesland Engineering Limited
    • William H. Powlesland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL