Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4467142 | System for transmitting emergency calls from persons requiring assistance | DIETER RUPP, Wolfgang Weeber, Josef Steimle | 1984-08-21 |
| 4450320 | Dialing device with calling number and identification memory and method for using same | Bernd Ostermann | 1984-05-22 |