Granted Patent
Utility
US 5,330,630 · App. 07/636,815
Switch with improved threshold voltage
Inventors:
Patrick Klersy, Stanford R. Ovshinsky
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Jan 2, 1991
Inventors
Patrick Klersy
Stanford R. Ovshinsky
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.