Derek Nigel Leggett

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Winchester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Optical supply arrangement
- Patent number 7,787,504
- Issue date Aug 31, 2010
- Schlumberger Technology Corporation
- Derek Nigel Leggett
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Opto-electrical actuation system and method
- Patent number 6,750,440
- Issue date Jun 15, 2004
- Derek Nigel Leggett
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Optical supply arrangement
- Publication number 20030103536
- Publication date Jun 5, 2003
- Derek Nigel Leggett
- H01 - BASIC ELECTRIC ELEMENTS