Granted Patent
Utility
US 5,581,213 · App. 08/479,284
Variable gain amplifier circuit
Inventors:
Lloyd Frederick Linder, Don C. Devendorf, Bruno W. Garlepp
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Jun 7, 1995
Inventors
Lloyd Frederick Linder
Don C. Devendorf
Bruno W. Garlepp
Assignee (at issue)
Hughes Aircraft Company
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.