Joseph E. Vance

Follow

Person

Roseville, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for teleconference pass code security at a teleco...
- Patent number 7,596,215
- Issue date Sep 29, 2009
- Qwest Communications International, Inc
- Joseph E. Vance
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scheduler for telecommunications bridge
- Patent number 6,411,605
- Issue date Jun 25, 2002
- Qwest Communications International, Inc
- Joseph E. Vance
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and method for teleconference pass code security at a teleco...
- Publication number 20050265537
- Publication date Dec 1, 2005
- Qwest Communications International Inc.
- John M. Verbil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE