Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6647109 | Network telephony | — | 2003-11-11 |
| 6546098 | System and method for distributing enhanced telephony service to customer premises equipment | — | 2003-04-08 |
| 6531982 | Field unit for use in a GPS system | Stanley A. White, Kenneth S. Walley, James W. Johnston, Kelly H. Hale, Warner B. Andrews, Jr. +1 more | 2003-03-11 |