Granted Patent
Utility
US 4,454,372 · App. 06/255,312
Photovoltaic battery
Inventor:
Anthony J. Appleby
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Apr 17, 1981
Inventor
Anthony J. Appleby
Assignee (at issue)
Electric Power Research Institute, 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.