Granted Patent
Utility
US 6,603,967 · App. 09/516,971
Call routing in a radio system
Inventors:
Hasse Sinivaara, Esa Henrik Haakana, Teppo Tossavainen
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Feb 29, 2000
Inventors
Hasse Sinivaara
Esa Henrik Haakana
Teppo Tossavainen
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.