Granted Patent
Utility
US 5,883,902 · App. 08/759,187
Time slot interchanger and digital communications terminal for
Inventors:
David G. Wille, Kay B. Magleby
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Dec 4, 1996
Inventors
David G. Wille
Kay B. Magleby
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.