John Charles Guess

Follow

Person

Dorset, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Downhole communication
- Patent number 7,554,458
- Issue date Jun 30, 2009
- Expro North Sea Limited
- Steven Martin Hudson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Downhole communication
- Publication number 20070120704
- Publication date May 31, 2007
- Expro North Sea Limited
- Steven Martin Hudson
- E21 - EARTH DRILLING MINING