Granted Patent
Utility
US 5,959,975 · App. 08/862,290
Method of telecommunications demand-route multiplexing (DEROM)
Inventors:
Lev B. Sofman, Sridhar S. Nathan
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: May 23, 1997
Inventors
Lev B. Sofman
Sridhar S. Nathan
Assignee (at issue)
MCI WorldCom. 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.