Brian W. Perrins

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Stourbridge, GB

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Patents Grantslast 30 patents

Information Patent Grant
Piston, method of making the piston and piston and cylinder unit co...
- Patent number 5,174,192
- Issue date Dec 29, 1992
- Jebron Limited
- Peter E. Brown
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...