Granted Patent
Utility
US 4,766,471 · App. 06/821,643
Thin film electro-optical devices
Inventors:
Stanford R. Ovshinsky, Robert R. Johnson, Stephen J. Hudgens, Roger W. Pryor, Guy Wicker, Robert S. Nolan
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Jan 23, 1986
Inventors
Stanford R. Ovshinsky
Robert R. Johnson
Stephen J. Hudgens
Roger W. Pryor
Guy Wicker
Robert S. Nolan
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.