Gary H. Pollan

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Daingerfield, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
Tubular goods with expandable threaded connections
- Publication number 20040194278
- Publication date Oct 7, 2004
- Lone Star Steel Company
- Leland M. Brill
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubular goods with expandable threaded connections
- Publication number 20040174017
- Publication date Sep 9, 2004
- Lone Star Steel Company
- Leland M. Brill
- E21 - EARTH DRILLING MINING