IP Library Granted Patent US 5,959,975
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,959,975
App. No.
08/862,290
Filed
1997-05-23
Granted
1999-09-28
Kind
A