Granted Patent
Utility
US 4,485,389 · App. 06/428,092
Amorphous semiconductors equivalent to crystalline semiconductors
Inventors:
Stanford R. Ovshinsky, Masatsugu Izu
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Sep 29, 1982
Inventors
Stanford R. Ovshinsky
Masatsugu Izu
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.