Granted Patent
Utility
US 4,754,398 · App. 06/750,487
System for multiprocessor communication using local and common semaphore and information registers
Inventor:
Richard D. Pribnow
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Jun 28, 1985
Inventor
Richard D. Pribnow
Assignee (at issue)
Cray Research, 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.