Granted Patent
Utility
US 6,622,009 · App. 09/433,347
Radiotelephone transmitter/receiver
Inventor:
Nigel James Tolson
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Nov 4, 1999
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.