Granted Patent
Utility
US 6,270,127 · App. 09/615,487
Two-step, low torque wedge thread for tubular connector
Inventor:
Doug Enderle
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Jul 13, 2000
Inventor
Doug Enderle
Assignee (at issue)
Hydril Company
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.