Granted Patent
Utility
US 5,283,889 · App. 08/031,029
Hardware based interface for mode switching to access memory above one megabyte
Inventors:
David J. DeLisle, Saifee Fakhruddin, Lloyd W. Gauthier, Robert A. Kohtz
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Mar 11, 1993
Inventors
David J. DeLisle
Saifee Fakhruddin
Lloyd W. Gauthier
Robert A. Kohtz
Assignee (at issue)
Zenith Data Systems Corporation
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.