Donald C. Brenneman

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Grantsville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Drill cuttings conveyance systems
- Patent number 9,334,699
- Issue date May 10, 2016
- Beitzel Corporation
- Shawn Bender
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drill Cuttings Conveyance Systems
- Publication number 20150129312
- Publication date May 14, 2015
- BEITZEL CORPORATION
- Shawn Bender
- E21 - EARTH DRILLING MINING