Granted Patent
Utility
US 4,177,474 · App. 05/841,369
High temperature amorphous semiconductor member and method of making the same
Inventor:
Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Dec 4, 1979
Filed: Oct 12, 1977
Inventor
Stanford R. Ovshinsky
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.