Granted Patent
Utility
US 3,980,992 · App. 05/527,358
Multi-microprocessing unit on a single semiconductor chip
Inventors:
Bernardo Navarro Levy, David Lee
Patented Case
View Patent ↗
Granted: Sep 14, 1976
Filed: Nov 26, 1974
Inventors
Bernardo Navarro Levy
David Lee
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.