Granted Patent
Utility
US 4,558,236 · App. 06/542,878
Universal logic circuit
Inventor:
James L. Burrows
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Oct 17, 1983
Inventor
James L. Burrows
Assignee (at issue)
Sanders GmbH
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.