Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802081 | Elongated phonograph pick-up head with snap-together construction | Horst Koltermann, Michael Leipnitz, Gunter Zeuge | 1989-01-31 |
WO
Willi Otzipka
Overall (1989): #37,101 of 140,708Top 30%
1
Patents 1989