Granted Patent
Utility
US 4,717,890 · App. 06/849,090
Symmetric layout for quad operational amplifier
Inventors:
William F. Davis, David M. Susak
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Apr 7, 1986
Inventors
William F. Davis
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.