Granted Patent
Utility
US 5,850,435 · App. 08/609,574
Method for audible caller name announcement with call list feature
Inventor:
Douglas André Devillier
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Mar 1, 1996
Inventor
Douglas André Devillier
Assignees (at issue)
U S West, Inc.
MediaOne Group, Inc.
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.