Granted Patent
Utility
US 4,514,583 · App. 06/549,055
Substrate for photovoltaic devices
Inventors:
Masatsugu Izu, Vincent D. Cannella
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Nov 7, 1983
Inventors
Masatsugu Izu
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.