Granted Patent
Utility
US 6,671,618 · App. 10/015,546
Navigation system
Inventor:
Jyrki Hoisko
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Dec 13, 2001
Inventor
Jyrki Hoisko
Assignee (at issue)
Nokia
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.