Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504914 | Method for dialog control of voice-operated information and call information services incorporating computer-supported telephony | Christel Mueller, Thomas Mundin, Thomas Ziem, Romeo Peter Wetzel, Hardy Parus | 2003-01-07 |