Granted Patent
Utility
US 6,717,925 · App. 09/132,122
Point-to-multipoint mobile radio transmission
Inventors:
Arto Leppisaari, Jari Hamalainen
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Aug 10, 1998
Inventors
Arto Leppisaari
Jari Hamalainen
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.