Owen N. Collier

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Metal powders
- Patent number 4,274,877
- Issue date Jun 23, 1981
- Johnson, Matthey & Co., Limited
- Owen N. Collier
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal powders
- Patent number 4,130,506
- Issue date Dec 19, 1978
- Johnson, Matthey & Co., Limited
- Owen N. Collier
- B22 - CASTING POWDER METALLURGY