Assignee
OVERHOLT MARK
3 granted patents·104 citations·filing 1983–2009
Top patents by PatentIndex Score
3 records- 0190US8232892B2Method and system for operating a well service rigOVERHOLT MARK·Filed 2009·Granted Jul 31, 2012·77 cites·20 claims
- 0241US4555092ASystem for operation of a direct drive dual drum winchOVERHOLT MARK·Filed 1983·Granted Nov 26, 1985·14 cites·5 claims
- 0340US4432532ADirect drive dual drum winchOVERHOLT MARK·Filed 1983·Granted Feb 21, 1984·13 cites·4 claims
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