Granted Patent
Utility
US 6,496,140 · App. 09/818,396
Method for calibrating a smart-antenna array radio transceiver unit and calibrating system
Inventor:
Ari Alastalo
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Mar 27, 2001
Inventor
Ari Alastalo
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.