Granted Patent
Utility
US 6,382,251 · App. 09/538,062
Coupling with male half having internal pressure relief
Inventor:
Douglas F. Hopson
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Mar 29, 2000
Inventor
Douglas F. Hopson
Assignee (at issue)
SNAP-TITE TECHNOLOGIES, 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.