Granted Patent
Utility
US 5,658,690 · App. 08/586,955
Modular molded components for a bipolar battery and the resulting bipolar battery
Inventors:
David L. Lund, Stephen G. Petrakovich
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jan 16, 1996
Inventors
David L. Lund
Stephen G. Petrakovich
Assignee (at issue)
GNB 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.