Granted Patent
Utility
US 4,523,154 · App. 06/495,670
Enhanced-accuracy semiconductor power amplifier
Inventor:
James S. Congdon
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: May 18, 1983
Inventor
James S. Congdon
Assignee (at issue)
Genrad, 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.