Doyle Raymond Warren

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Packer with positionable collar
- Patent number 7,284,619
- Issue date Oct 23, 2007
- Tam International, Inc.
- Charles O. Stokley
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Packer with positionable collar
- Publication number 20060169466
- Publication date Aug 3, 2006
- Charles O. Stokley
- E21 - EARTH DRILLING MINING
Information Patent Application
Downlink telemetry system
- Publication number 20030016164
- Publication date Jan 23, 2003
- Michael Dewayne Finke
- E21 - EARTH DRILLING MINING