Granted Patent
Utility
US 4,784,380 · App. 07/016,199
Automatic battery stacker
Inventor:
William J. Eberle
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Feb 18, 1987
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.