John C. Brittain

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Sperry, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable controlled guide device for wireline spooler
- Patent number 6,910,679
- Issue date Jun 28, 2005
- Woolslayer Companies, Inc.
- Dewayne Vogt
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method of folding an articulating mast
- Patent number 6,594,960
- Issue date Jul 22, 2003
- Woolslayer Companies, Inc.
- John Brittain
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pipe moving apparatus and method
- Patent number 4,834,604
- Issue date May 30, 1989
- Lee C. Moore Corporation
- John C. Brittain
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automated pipe racking apparatus
- Patent number 4,725,179
- Issue date Feb 16, 1988
- Lee C. Moore Corporation
- Joseph R. Woolslayer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for skidding a load on a support
- Patent number 4,615,508
- Issue date Oct 7, 1986
- Lee C. Moore Corporation
- Cecil Jenkins
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Articulating mast
- Publication number 20030051915
- Publication date Mar 20, 2003
- John Brittain
- E21 - EARTH DRILLING MINING