John Patrick Boyce

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Aigburth, GB

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Patents Grantslast 30 patents

Information Patent Grant
Lockable motor assembly for use in a well bore
- Patent number 6,945,328
- Issue date Sep 20, 2005
- Smith International, Inc.
- Brian Cruickshank
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Lockable motor assembly for use in a well bore
- Patent number 6,659,203
- Issue date Dec 9, 2003
- Smith International Inc.
- Brian Cruickshank
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Lockable motor assembly for use in a well bore
- Publication number 20040089478
- Publication date May 13, 2004
- Smith International, Inc.
- Brian Cruickshank
- E21 - EARTH DRILLING MINING