Granted Patent
Utility
US 4,668,919 · App. 06/831,020
High speed operational amplifier
Inventor:
Lionel M. De Weck
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Feb 19, 1986
Inventor
Lionel M. De Weck
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.