Granted Patent
Utility
US 6,809,723 · App. 09/855,013
Pushbutton optical screen pointing device
Inventor:
Jeffery Davis
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: May 14, 2001
Inventor
Jeffery Davis
Assignee (at issue)
Agilent Technologies, 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.