Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329631 | Wiper installation for motor vehicles | Helmut Betsch, Horst Goertler, Hans Prohaska, Horst Rachner | 1982-05-11 |
| 4309646 | Control arrangement for windshield wiper apparatus | Horst Rachner | 1982-01-05 |