Granted Patent
Utility
US 6,403,256 · App. 09/490,356
Alkali metal electrochemical cell activated with a nonaqueous electrolyte having a sulfite additive
Inventors:
Hong Gan, Esther S. Takeuchi
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jan 24, 2000
Inventors
Hong Gan
Esther S. Takeuchi
Assignee (at issue)
Wilson Greatbatch, Ltd.
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.