Leyb Ginzburg

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Calgary, CA, US

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Patents Applicationslast 30 patents

Information Patent Application
PRESSURE CONTROL DEVICE WITH REMOTE ORIENTATION RELATIVE TO A RIG
- Publication number 20110203802
- Publication date Aug 25, 2011
- Halliburton Energy Services, Inc.
- Fredrick D. CURTIS
- E21 - EARTH DRILLING MINING