Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353293 | Method for making available features for alternative connections of primary connections | — | 2008-04-01 |
| 6678357 | Internet protocol (IP) emergency connections (ITEC) telephony | Peggy M. Stumer, Robert Stampfl, Alfons Fartmann | 2004-01-13 |