Granted Patent
Utility
US 5,371,879 · App. 08/233,222
Apparatus and method for testing of new operating systems through priviledged instruction trapping
Inventor:
Alan J. Schiffleger
Patented Case
View Patent ↗
Granted: Dec 6, 1994
Filed: Apr 26, 1994
Inventor
Alan J. Schiffleger
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.