Granted Patent
Utility
US 4,577,273 · App. 06/501,304
Multiple microcomputer system for digital computers
Inventors:
Michael G. Hopper, Harri G. Prival
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Jun 6, 1983
Inventors
Michael G. Hopper
Harri G. Prival
Assignee (at issue)
Sperry 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.