Granted Patent
Utility
US 6,350,546 · App. 09/519,534
Sulfate additives for nonaqueous electrolyte rechargeable cells
Inventors:
Hong Gan, Esther S. Takeuchi
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Mar 6, 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.