Cecil Graham Richards

Person

  • Aspley, AU

Patents Grantslast 30 patents

  • Information Patent Grant

    Ball valve

    • Patent number 4,184,507
    • Issue date Jan 22, 1980
    • B.C. Richards & Co. Pty. Ltd.
    • Cecil G. Richards
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve and seal

    • Patent number 4,175,726
    • Issue date Nov 27, 1979
    • B.C. Richards & Co. Pty. Ltd.
    • Cecil G. Richards
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve

    • Patent number 4,068,822
    • Issue date Jan 17, 1978
    • B. C. Richards & Co. Pty. Ltd.
    • Cecil Graham Richards
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...