Granted Patent
Utility
US 5,740,453 · App. 08/398,396
Circuit for reducing audio amplifier noise during powering on and off
Inventor:
Henry F. Lada
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Mar 3, 1995
Inventor
Henry F. Lada
Assignee (at issue)
Compaq Computer Corporation
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.