Granted Patent
Utility
US 6,812,084 · App. 10/321,090
Adaptive negative differential resistance device
Inventor:
Tsu-Jae King
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Dec 17, 2002
Inventor
Tsu-Jae King
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.