Granted Patent
Utility
US 5,345,446 · App. 07/972,789
Establishing telecommunications call paths in broadband communication networks
Inventors:
Thomas L. Hiller, James J. Phelan, Meyer J. Zola
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Nov 6, 1992
Inventors
Thomas L. Hiller
James J. Phelan
Meyer J. Zola
Assignee (at issue)
AT&T Bell Laboratories
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.