Granted Patent
Utility
US 6,680,245 · App. 10/232,129
Method for making both a negative differential resistance (NDR) device and a non-NDR device using a common MOS process
Inventors:
Tsu-Jae King, David Liu
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Aug 30, 2002
Inventors
Tsu-Jae King
David Liu
Assignee (at issue)
Progressant Technologies, 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.