Harold Michael Grimmett

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Hughes Springs, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
TUBULAR GOODS WITH THREADED INTEGRAL JOINT CONNECTIONS
- Publication number 20070228729
- Publication date Oct 4, 2007
- Harold Michael Grimmett
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubular goods with threaded integral joint connections
- Publication number 20060006648
- Publication date Jan 12, 2006
- Harold Michael Grimmett
- E21 - EARTH DRILLING MINING
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