Granted Patent
Utility
US 5,691,716 · App. 08/564,631
Keyboard with keys for moving cursor
Inventors:
Robert J. Crowley, Donald N. Halgren
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Nov 29, 1995
Inventors
Robert J. Crowley
Donald N. Halgren
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.