Granted Patent
Utility
US 4,972,157 · App. 07/383,914
Operational amplifier having selectable inputs
Inventor:
Miki Moyal
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Jul 21, 1989
Inventor
Miki Moyal
Assignee (at issue)
Advanced Micro Devices, 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.