Tace Parley Hart

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Richmond, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Self aligning mud saver valve seat
- Patent number 8,490,720
- Issue date Jul 23, 2013
- Tace Parley Hart
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Self Aligning Mud Saver Valve Seat
- Publication number 20110036586
- Publication date Feb 17, 2011
- Tace Parley Hart
- E21 - EARTH DRILLING MINING