Granted Patent
Utility
US 6,684,908 · App. 10/267,816
Self-locking, high pressure service stopper
Inventors:
William M. Hutton, Jeffrey C. Bond, Michael David Ahner
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Oct 9, 2002
Inventors
William M. Hutton
Jeffrey C. Bond
Michael David Ahner
Assignee (at issue)
Omega Tools, 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.