Granted Patent
Utility
US 4,744,023 · App. 06/808,951
Processor access control arrangement in a multiprocessor system
Inventor:
Lawrence A. Welsch
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Dec 16, 1985
Inventor
Lawrence A. Welsch
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Information Systems
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.