Granted Patent
Utility
US 4,492,810 · App. 06/442,895
Optimized doped and band gap adjusted photoresponsive amorphous alloys and devices
Inventors:
Stanford R. Ovshinsky, Masatsugu Izu
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Nov 19, 1982
Inventors
Stanford R. Ovshinsky
Masatsugu Izu
Assignee (at issue)
Sovonics Solar Systems
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.