Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795533 | Intermediate voice and DTMF detector device for improved speech recognition utilization and penetration | Dieter Schulz | 2004-09-21 |
| 6778641 | Telephone independent provision of speech recognition during dial tone and subsequent call progress states | — | 2004-08-17 |