B. C. Richards & Co. Pty. Ltd.

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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...

Patents Applicationslast 30 patents

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