Granted Patent
Utility
US 6,445,778 · App. 09/455,089
Telephone tag entertainment
Inventor:
Gilman R. Stevens
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 6, 1999
Inventor
Gilman R. Stevens
Assignee (at issue)
Alcatel USA Sourcing, L.P.
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.