Granted Patent
Utility
US 4,342,001 · App. 06/131,045
Differential amplifier having a low-pass characteristic
Inventor:
Donald J. Sauer
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Mar 17, 1980
Inventor
Donald J. Sauer
Assignee (at issue)
RCA Corporation
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.