Norman Tommis

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Bradford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Reinforcement of articles of cast metal or metal alloy
- Patent number 4,715,422
- Issue date Dec 29, 1987
- AE PLC
- Norman Tommis
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Reinforced pistons
- Patent number 4,708,104
- Issue date Nov 24, 1987
- AE PLC
- Roger A. Day
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Compositions of matter and their manufacture
- Patent number 4,624,831
- Issue date Nov 25, 1986
- AE PLC
- Norman Tommis
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Surface treatment of metal rings
- Patent number 4,531,985
- Issue date Jul 30, 1985
- AE PLC
- Norman Tommis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...