Nigel J. Petts

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Chorley, GB

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Patents Grantslast 30 patents

Information Patent Grant
Valve assemblies
- Patent number 4,617,954
- Issue date Oct 21, 1986
- Dobson Park Industries PLC.
- Nigel J. Petts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve devices
- Patent number 4,580,594
- Issue date Apr 8, 1986
- Dobson Park Industries PLC.
- Nigel J. Petts
- E21 - EARTH DRILLING MINING