Granted Patent
Utility
US 6,427,006 · App. 09/154,014
Methods and apparatus for servicing directory assistance calls requesting non-published number information
Inventors:
Craig L. Reding, Suzi Levas, Mike Metaxas, Rao Tanuku, Dina Yashchin
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Sep 16, 1998
Inventors
Craig L. Reding
Suzi Levas
Mike Metaxas
Rao Tanuku
Dina Yashchin
Assignee (at issue)
Bell Atlantic Network Services
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.