Granted Patent
Utility
US 6,091,939 · App. 08/800,450
Mobile radio transmitter with normal and talk-around frequency bands
Inventor:
An Tuyen Banh
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 18, 1997
Inventor
An Tuyen Banh
Assignee (at issue)
ERICSSON GMBH
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.