Granted Patent
Utility
US 4,521,743 · App. 06/566,701
Switched capacitor amplifier
Inventor:
Malcolm L. Heimer
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Dec 29, 1983
Inventor
Malcolm L. Heimer
Assignee (at issue)
CORDIS 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.