Granted Patent
Utility
US 6,243,579 · App. 09/155,680
Controlling operating states of a mobile station in a packet radio system
Inventor:
Hannu Kari
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Oct 30, 1998
Inventor
Hannu Kari
Assignee (at issue)
Nokia Telecommunications Oy
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.