Granted Patent
Utility
US 5,657,522 · App. 08/649,890
Coiled electrode assemblies and methods of producing same
Inventors:
Ernesto Figueira, Michael D. Lindemayer
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: May 14, 1996
Inventors
Ernesto Figueira
Michael D. Lindemayer
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.