Granted Patent
Utility
US 4,362,896 · App. 06/201,588
Polycrystalline photovoltaic cell
Inventor:
Vijay Singh
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Oct 28, 1980
Inventor
Vijay Singh
Assignee (at issue)
Photon Power, 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.