Granted Patent
Utility
US 5,206,099 · App. 07/755,320
Highly resistive cell separator for bi-polar battery
Inventors:
Milind Vidyadhar Kulkarni, William J. Eppley
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Sep 5, 1991
Inventors
Milind Vidyadhar Kulkarni
William J. Eppley
Assignee (at issue)
Alliant Techsystems 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.