Granted Patent
Utility
US 4,889,778 · App. 07/185,501
Alkali metal polysilica gel electrolyte lead-acid battery and method for making the same
Inventors:
Sudhan S. Misra, Terrence M. Noveske
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Apr 25, 1988
Inventors
Sudhan S. Misra
Terrence M. Noveske
Assignee (at issue)
C & D Power Systems, 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.