Paul Roberts

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Broussard, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable gauge downhole drilling assembly
- Patent number 6,328,119
- Issue date Dec 11, 2001
- Halliburton Energy Services, Inc.
- Ian Gillis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Adjustable gauge downhole drilling assembly
- Patent number 6,158,533
- Issue date Dec 12, 2000
- Halliburton Energy Services, Inc.
- Ian Gillis
- E21 - EARTH DRILLING MINING