Robert A. Frenzel

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Waller, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Control choke system
- Patent number 9,708,886
- Issue date Jul 18, 2017
- Cameron International Corporation
- Robert A. Frenzel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CONTROL CHOKE SYSTEM
- Publication number 20140262333
- Publication date Sep 18, 2014
- Cameron International Corporation
- Robert A. Frenzel
- E21 - EARTH DRILLING MINING