Granted Patent
Utility
US 5,759,713 · App. 08/616,062
Upward deflecting support disk for electrochemical cell seal
Inventors:
Christopher L. DePalma, Peter J. Pope, Sean A. Sargeant, Marian Wiacek, Robert A. Yoppolo
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Mar 14, 1996
Inventors
Christopher L. DePalma
Peter J. Pope
Sean A. Sargeant
Marian Wiacek
Robert A. Yoppolo
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.