Granted Patent
Utility
US 4,725,791 · App. 06/908,858
Circuit utilizing resistors trimmed by metal migration
Inventors:
David M. Susak, William F. Davis, Robert L. Vyne
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Sep 18, 1986
Inventors
David M. Susak
William F. Davis
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.