Granted Patent
Utility
US 6,480,185 · App. 09/362,367
Electronic device with trackball user input
Inventors:
Harri Kiljander, Douglas Deeds
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Jul 28, 1999
Inventors
Harri Kiljander
Douglas Deeds
Assignee (at issue)
Nokia Mobile Phones Ltd.
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.