Granted Patent
Utility
US 6,078,586 · App. 09/128,495
ATM virtual private networks
Inventors:
Andrew Dugan, David E. McDysan
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Aug 3, 1998
Inventors
Andrew Dugan
David E. McDysan
Assignee (at issue)
MCI Communications 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.