Granted Patent
Utility
US 4,471,155 · App. 06/485,411
Narrow band gap photovoltaic devices with enhanced open circuit voltage
Inventors:
Ralph Mohr, Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Apr 15, 1983
Inventors
Ralph Mohr
Vincent D. Cannella
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.