Granted Patent
Utility
US 6,594,193 · App. 10/028,089
Charge pump for negative differential resistance transistor
Inventor:
King Tsu-Jae
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Dec 21, 2001
Inventor
King Tsu-Jae
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.