Granted Patent
Utility
US 4,804,490 · App. 07/107,318
Method of fabricating stabilized threshold switching material
Inventors:
Roger W. Pryor, Patrick Klersy, Jerry A. Piontkowski, Napolean P. Formigoni
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Oct 13, 1987
Inventors
Roger W. Pryor
Patrick Klersy
Jerry A. Piontkowski
Napolean P. Formigoni
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.