Granted Patent
Utility
US 4,331,981 · App. 06/190,595
Linear high gain sampling amplifier
Inventor:
Robert Preston Parker
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Sep 25, 1980
Inventor
Robert Preston Parker
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.