Granted Patent
Utility
US 6,747,966 · App. 09/331,410
Radio system and methods for duplex operation
Inventor:
Kalle Ahmavaara
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jul 7, 1999
Inventor
Kalle Ahmavaara
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.