Granted Patent
Utility
US 5,903,639 · App. 08/851,549
Custom routing for multiple carrier interconnection
Inventors:
Michael J. Lipchock, Douglas R. Jones
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: May 5, 1997
Inventors
Michael J. Lipchock
Douglas R. Jones
Assignee (at issue)
BellAtlantic Services, 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.