Granted Patent
Utility
US 6,721,544 · App. 09/711,344
Duplexer structure for coupling a transmitter and a receiver to a common antenna
Inventor:
Luiz M. Franca-Neto
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Nov 9, 2000
Inventor
Luiz M. Franca-Neto
Assignee (at issue)
Intel Corporation
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.