Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868810 | Multi-stage transmitter aerial coupling device | Peter Vary | 1989-09-19 |
| 4697260 | Method of and arrangement for transmitting messages in a digital radio transmission system | Christoph Grauel, Ludwig Kittel, Werner Schmidt | 1987-09-29 |