Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473494 | Telephony system formed by a base station and at least one subscriber device, comprising a callback system, method of establishing callbacks | — | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473494 | Telephony system formed by a base station and at least one subscriber device, comprising a callback system, method of establishing callbacks | — | 2002-10-29 |