Eric B. Witten

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Anchorage, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Retrievable fluid flow control nozzle system for wells
- Patent number 4,782,896
- Issue date Nov 8, 1988
- Atlantic Richfield Company
- Eric B. Witten
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling mud dehydration system
- Patent number 4,649,655
- Issue date Mar 17, 1987
- Atlantic Richfield Company
- Eric B. Witten
- F26 - DRYING