Granted Patent
Utility
US 5,884,897 · App. 08/094,249
Quick-action male coupling connectable under pressure
Inventor:
Massimo Arosio
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 9, 1998
Inventor
Massimo Arosio
Assignee (at issue)
OMBA S.r.l.
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.