Granted Patent
Utility
US 6,577,190 · App. 09/984,921
Linear gain control amplifier
Inventor:
Seong Ryeol Kim
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Oct 31, 2001
Inventor
Seong Ryeol Kim
Assignee (at issue)
SK hynix 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.