Granted Patent
Utility
US 4,404,734 · App. 06/404,239
Method of making a CdS/Cu.sub.x S photovoltaic cell
Inventor:
Vijay Singh
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Aug 2, 1982
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.