Granted Patent
Utility
US 4,486,831 · App. 06/191,841
Multi-programming data processing system process suspension
Inventors:
Nigel Wheatley, Martyn P. Andrews
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Sep 29, 1980
Inventors
Nigel Wheatley
Martyn P. Andrews
Assignee (at issue)
Plessey Overseas Limited
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.