Granted Patent
Utility
US 6,761,221 · App. 10/136,969
Slip assembly for hanging an elongate member within a wellbore
Inventors:
John N. Yokley, Larry E. Reimert
Patented Case
View Patent ↗
Granted: Jul 13, 2004
Filed: May 2, 2002
Inventors
John N. 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.