Granted Patent
Utility
US 6,259,321 · App. 09/490,732
CMOS variable gain amplifier and control method therefor
Inventors:
Won Chul Song, Chang Jun Oh, Hee-Bum Jung
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Jan 25, 2000
Inventors
Won Chul Song
Chang Jun Oh
Hee-Bum Jung
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.