Granted Patent
Utility
US 6,541,140 · App. 09/632,821
Electrochemical lithium ion secondary cell having multiplate electrodes with differing discharge rate regions
Inventors:
David M. Spillman, Esther S. Takeuchi
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Aug 7, 2000
Inventors
David M. Spillman
Esther S. Takeuchi
Assignee (at issue)
Wilson Greatbatch Technologies, 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.