Granted Patent
Utility
US 6,781,923 · App. 09/660,781
Method and apparatus for tracking usage of a multi-functional electronic device
Inventor:
Ronald S. Lizzi
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Sep 13, 2000
Inventor
Ronald S. Lizzi
Assignee (at issue)
Timex Group B.V.
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.