Granted Patent
Utility
US 4,829,265 · App. 07/197,784
Operational amplifier
Inventor:
David M. Susak
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: May 23, 1988
Inventor
David M. Susak
Assignee (at issue)
Motorola, 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.