John Workman

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Greyabbey, County Down, GB

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Patents Grantslast 30 patents

Information Patent Grant
Metal slitting and stamping
- Patent number 4,906,809
- Issue date Mar 6, 1990
- John Workman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Mould clamping and positioning system
- Patent number 4,113,001
- Issue date Sep 12, 1978
- John Workman
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Moulding process for metals
- Patent number 4,100,958
- Issue date Jul 18, 1978
- John Workman
- B22 - CASTING POWDER METALLURGY