Granted Patent
Utility
US 5,429,643 · App. 08/071,298
Method of assembling a bipolar lead-acid battery and the resulting bipolar battery
Inventors:
David L. Lund, William H. Kump, Donald W. Groff
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Jun 2, 1993
Inventors
David L. Lund
William H. Kump
Donald W. Groff
Assignee (at issue)
GNB Battery 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.