Granted Patent
Utility
US 4,379,943 · App. 06/330,571
Current enhanced photovoltaic device
Inventors:
Chi C. Yang, Arun Madan, Stanford R. Ovshinsky, David Adler
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Dec 14, 1981
Inventors
Chi C. Yang
Arun Madan
Stanford R. Ovshinsky
David Adler
Assignee (at issue)
Energy Conversion Devices, 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.