Granted Patent
Utility
US 5,509,702 · App. 08/294,355
Low distortion pipe coupling device
Inventors:
Kevin S. Warehime, Daniel T. Munley
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Aug 23, 1994
Inventors
Kevin S. Warehime
Daniel T. Munley
Assignee (at issue)
EG&G Pressure Science, 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.