Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600639 | Broadcast method for simultaneous switching of an announcement to a plurality of subscribers of a communication system | Klaus Leutner | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600639 | Broadcast method for simultaneous switching of an announcement to a plurality of subscribers of a communication system | Klaus Leutner | 1997-02-04 |