Christopher David

Follow

Person

Bakersfield, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Single point and fiber optic temperature measurement for correction...
- Patent number 7,360,412
- Issue date Apr 22, 2008
- Welldynamics B.V.
- David O. Johnson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Single point and fiber optic temperature measurement for correction...
- Publication number 20070186640
- Publication date Aug 16, 2007
- David O. Johnson
- E21 - EARTH DRILLING MINING