Granted Patent
Utility
US 5,652,074 · App. 08/584,057
Battery grids, a method for making such battery grids and lead-acid batteries using such battery grids
Inventors:
John G. Larson, David Brugger
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Jan 11, 1996
Inventors
John G. Larson
David Brugger
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.