R. NIEMAR

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Weihai, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dual core locking geophone
- Patent number 10,156,649
- Issue date Dec 18, 2018
- Halliburton Energy Services, Inc.
- R. Niemar
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DUAL CORE LOCKING GEOPHONE
- Publication number 20160327666
- Publication date Nov 10, 2016
- Halliburton Energy Services, Inc.
- R. NIEMAR
- G01 - MEASURING TESTING