Granted Patent
Utility
US 5,589,293 · App. 07/623,701
Sealed galvanic cell with injection molded top
Inventors:
Peter J. Pope, Richard B. Willis-Owen
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Dec 14, 1990
Inventors
Peter J. Pope
Richard B. Willis-Owen
Assignee (at issue)
Duracell 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.