Granted Patent
Utility
US 4,658,351 · App. 06/658,951
Task control means for a multi-tasking data processing system
Inventor:
Peter Teng
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Oct 9, 1984
Inventor
Peter Teng
Assignee (at issue)
Wang Laboratories, 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.