Granted Patent
Utility
US 6,480,753 · App. 09/388,808
Communications, particularly in the domestic environment
Inventors:
Andrew R. Calder, Simon J. Forrest, Andrew Monaghan
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Sep 2, 1999
Inventors
Andrew R. Calder
Simon J. Forrest
Andrew Monaghan
Assignee (at issue)
NCR 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.