Granted Patent
Utility
US 5,285,170 · App. 07/983,357
Operational amplifier with all NPN transistor output stage
Inventors:
Troy Stockstad, Robert L. Vyne, Thomas D. Petty
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Nov 30, 1992
Inventors
Troy Stockstad
Robert L. Vyne
Thomas D. Petty
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.