Granted Patent
Utility
US 6,788,147 · App. 10/288,162
Operational amplifier with class-AB+B output stage
Inventor:
Alexander P. G. Lubbers
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Nov 5, 2002
Inventor
Alexander P. G. Lubbers
Assignee (at issue)
NATIONAL SEMICONDUCTOR 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.