Granted Patent
Utility
US 4,769,338 · App. 07/023,344
Thin film field effect transistor and method of making same
Inventors:
Stanford R. Ovshinsky, Stephen J. Hudgens
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Mar 9, 1987
Inventors
Stanford R. Ovshinsky
Stephen J. Hudgens
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.