Granted Patent
Utility
US 4,594,558 · App. 06/722,598
High-switching-speed d.c. amplifier with input-offset current compensation
Inventor:
James S. Congdon
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: Apr 12, 1985
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.