Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807268 | Sequential calling system with prioritization of the last dialed telephone number | Dirk Wierzbitzki | 2004-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807268 | Sequential calling system with prioritization of the last dialed telephone number | Dirk Wierzbitzki | 2004-10-19 |