Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574661 | Integrated proxy interface for web based telecommunication toll-free network management using a network manager for downloading a call routing tree to client | Carol Y. Devine, Robert W. Hall, Robert A. Pfister, Garrison Venn | 2003-06-03 |