Gary R. Cook

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Highlands Ranch, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Determining contact levels of fluids in an oil reservoir using a re...
- Patent number 6,023,445
- Issue date Feb 8, 2000
- Marathon Oil Company
- Gary R. Cook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for studying organic deposition
- Patent number 5,691,809
- Issue date Nov 25, 1997
- Marathon Oil Company
- James E. Tackett
- G01 - MEASURING TESTING
Information Patent Grant
Transient temperature compensation for pressure gauges using an imp...
- Patent number 5,307,682
- Issue date May 3, 1994
- Marathon Oil Company
- Eric B. Phelps
- G01 - MEASURING TESTING
Information Patent Grant
Transient temperature compensation for pressure gauges
- Patent number 5,307,683
- Issue date May 3, 1994
- Marathon Oil Company
- Eric B. Phelps
- G01 - MEASURING TESTING
Information Patent Grant
Transient temperature compensation for pressure gauges using discre...
- Patent number 5,307,681
- Issue date May 3, 1994
- Marathon Oil Company
- Eric B. Phelps
- E21 - EARTH DRILLING MINING
Information Patent Grant
Computer terminal security system
- Patent number 4,430,728
- Issue date Feb 7, 1984
- Marathon Oil Company
- James E. Beitel
- G06 - COMPUTING CALCULATING COUNTING