Granted Patent
Utility
US 6,212,367 · App. 09/028,813
Mobile telephone apparatus with tunable filter tuned to the transmit band
Inventor:
Nigel James Tolson
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Feb 24, 1998
Inventor
Nigel James Tolson
Assignee (at issue)
NEC 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.