Granted Patent
Utility
US 6,570,427 · App. 09/943,668
Variable transconductance amplifier
Inventor:
John S. Prentice
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Aug 31, 2001
Inventor
John S. Prentice
Assignee (at issue)
Intersil Americas LLC
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.