Granted Patent
Utility
US 5,889,665 · App. 08/940,007
Analogue multiplier using MOSFETs in nonsaturation region and current mirror
Inventor:
Il-Song Han
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Sep 29, 1997
Inventor
Il-Song Han
Assignee (at issue)
Korea Telecom
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.