Granted Patent
Utility
US 6,442,386 · App. 09/643,096
Method for disconnecting a connection of a subscriber station
Inventors:
Hannu-Pekka Salin, Erkki Koskinen
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Aug 21, 2000
Inventors
Hannu-Pekka Salin
Erkki Koskinen
Assignee (at issue)
Nokia Networks 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.