IP Library Granted Patent US 6,154,445
Granted Patent Utility
US 6,154,445 · App. 08/931,985

Telephony communication via varied redundant networks

Inventors: Robert D. Farris, Dale L. Bartholomew
Patented Case View Patent ↗
Granted: Nov 28, 2000 Filed: Sep 17, 1997
Inventors
Robert D. Farris
Dale L. Bartholomew
Assignee (at issue)
Bell Atlantic Network Services

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 6,154,445
App. No.
08/931,985
Filed
1997-09-17
Granted
2000-11-28
Kind
A