Granted Patent
Utility
US 5,680,438 · App. 08/360,663
Telecommunications system having single base unit and plural individual antennas each for communication with one or more remote handsets for use within premises
Inventor:
Graham E. Beesley
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Dec 22, 1994
Inventor
Graham E. Beesley
Assignee (at issue)
AT & T Wireless Communications Products, Ltd.
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.