Granted Patent
Utility
US 5,752,161 · App. 08/619,729
Method and apparatus for replacing a failed channel unit of a sectored base station, in a cellular radio system, with an additional channel unit
Inventors:
Arto Jantti, Keijo Katisko
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Mar 22, 1996
Inventors
Arto Jantti
Keijo Katisko
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.