John Terence Evans

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Newcastle-upon-Tyne, GB

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Patents Grantslast 30 patents

Information Patent Grant
Backward extrusion method and product
- Patent number 5,964,117
- Issue date Oct 12, 1999
- Luxfer Group Limited
- Nigel John Henry Holroyd
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...