Granted Patent
Utility
US 4,409,683 · App. 06/322,462
Programmable multiplexer
Inventor:
Thomas R. Woodward
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Nov 18, 1981
Inventor
Thomas R. Woodward
Assignee (at issue)
Burroughs, 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.