John Strachan Nicoll

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Ellon, GB

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Patents Grantslast 30 patents

Information Patent Grant
Tubing expansion
- Patent number 7,322,420
- Issue date Jan 29, 2008
- Weatherford/Lamb, Inc.
- Duncan James Trinder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Tubing expansion
- Publication number 20040163823
- Publication date Aug 26, 2004
- Duncan James Trinder
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...