Granted Patent
Utility
US 5,604,464 · App. 08/499,315
Cascode operational amplifier with multiple input stage
Inventors:
Chien-Meen Hwang, Eugen Gershon
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Jul 7, 1995
Inventors
Chien-Meen Hwang
Eugen Gershon
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.