Granted Patent
Utility
US 5,316,347 · App. 07/911,174
Quick-fitting coupling for simultaneously connecting or disconnecting a plurality of couplings
Inventor:
Massimo Arosio
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Jul 9, 1992
Inventor
Massimo Arosio
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.