Granted Patent
Utility
US 4,792,503 · App. 07/148,311
Multi-functional hermetic seal for non-aqueous electrochemical cells
Inventor:
William J. Eppley
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Jan 25, 1988
Inventor
William J. Eppley
Assignee (at issue)
Honeywell Limited
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.