Amy A. Griggs

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotating hanger
- Patent number 9,506,329
- Issue date Nov 29, 2016
- Cameron International Corporation
- Nolan Massey
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROTATING HANGER
- Publication number 20150247387
- Publication date Sep 3, 2015
- Cameron International Corporation
- Nolan Massey
- E21 - EARTH DRILLING MINING