Granted Patent
Utility
US 4,728,093 · App. 06/680,782
Automatic battery stacker
Inventor:
William J. Eberle
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Dec 12, 1984
Inventor
William J. Eberle
Assignee (at issue)
General Battery Corporation
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.