Granted Patent
Utility
US 4,988,954 · App. 07/345,320
Low power output stage circuitry in an amplifier
Inventors:
Kenneth J. Stern, Stephen Bily
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Apr 28, 1989
Inventors
Kenneth J. Stern
Stephen Bily
Assignee (at issue)
Crystal Semiconductor Corp.
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.