Granted Patent
Utility
US 6,208,618 · App. 09/206,191
Method and apparatus for replacing lost PSTN data in a packet network
Inventors:
John B. Kenney, Robert B. Magill, R. Michael Schafer
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Dec 4, 1998
Inventors
John B. Kenney
Robert B. Magill
R. Michael Schafer
Assignee (at issue)
Tellabs Operations, 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.