Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862395 | Data display instrument for a bicycle | Gunter Look, Gerhard Dumbser | 1989-08-29 |
| 4835468 | Releasably mounted instrument assembly for a bicycle having elastomeric electrical contacts | Gerhard Dumbser, Gunter Nurnberger | 1989-05-30 |