Granted Patent
Utility
US 5,374,084 · App. 07/951,073
Coupling for automobile air conditioning system
Inventor:
Edward Potokar
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Sep 25, 1992
Inventor
Edward Potokar
Assignee (at issue)
Parker-Hannifin 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.