Granted Patent
Utility
US 4,490,626 · App. 06/403,004
Multiplexer circuitry for high density analog signals
Inventor:
Randolph S. Carlson
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Jul 29, 1982
Inventor
Randolph S. Carlson
Assignee (at issue)
Irvine Sensors Corp.
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.