Joseph B. Crump

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Casing cementer with torque-limiting rotating positioning tool
- Patent number 5,137,087
- Issue date Aug 11, 1992
- Halliburton Company
- David D. Szarka
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multiple stage inflation packer with secondary opening rupture disc
- Patent number 5,109,925
- Issue date May 5, 1992
- Halliburton Company
- Lee W. Stepp
- E21 - EARTH DRILLING MINING