Granted Patent
Utility
US 6,712,152 · App. 09/981,487
Downhole plug holder and method
Inventors:
John M. Yokley, Larry E. Reimert
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Oct 17, 2001
Inventors
John M. Yokley
Larry E. Reimert
Assignee (at issue)
Dril-Quip, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.