Granted Patent
Utility
US 5,683,116 · App. 08/547,572
O-ring push-pull pipe joint
Inventor:
Joie L. Folkers
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Oct 24, 1995
Inventor
Joie L. Folkers
Assignee (at issue)
AMERON INTERNATIONAL CORPORATION
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.