Granted Patent
Utility
US 6,612,498 · App. 09/521,574
Method and means for using additional cards in a mobile station
Inventors:
Markku Lipponen, Timo Laitinen, Ari Aho, Jarno Knuutila
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Mar 9, 2000
Inventors
Markku Lipponen
Timo Laitinen
Ari Aho
Jarno Knuutila
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.