Granted Patent
Utility
US 4,636,743 · App. 06/782,690
Front end stage of an operational amplifier
Inventor:
Gerald M. Cotreau
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Oct 1, 1985
Inventor
Gerald M. Cotreau
Assignee (at issue)
HARRIS 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.