Granted Patent
Utility
US 5,694,150 · App. 08/531,426
Multiuser/multi pointing device graphical user interface system
Inventors:
Michael Sigona, Anthony Winner
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Sep 21, 1995
Inventors
Michael Sigona
Anthony Winner
Assignee (at issue)
ELO TouchSystems, 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.