Granted Patent
Utility
US 4,710,786 · App. 06/872,075
Wide band gap semiconductor alloy material
Inventors:
Stanford R. Ovshinsky, Arun Madan
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Jun 9, 1986
Inventors
Stanford R. Ovshinsky
Arun Madan
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.