Granted Patent
Utility
US 4,717,886 · App. 06/880,537
Operational amplifier utilizing resistors trimmed by metal migration
Inventors:
William F. Davis, David M. Susak, Robert L. Vyne
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Jun 30, 1986
Inventors
William F. Davis
David M. Susak
Robert L. Vyne
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.