Granted Patent
Utility
US 6,178,453 · App. 08/832,746
Virtual circuit switching architecture
Inventors:
Shane D. Mattaway, Peter B. Reintjes, David W. Killian
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Apr 4, 1997
Inventors
Shane D. Mattaway
Peter B. Reintjes
David W. Killian
Assignee (at issue)
NetSpeak Corporation
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.