Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4653988 | Temperature switch mounting means for a function-monitoring fan | Rolf Seifert | 1987-03-31 |
| 4475358 | Air conditioner | Rolf Seifert | 1984-10-09 |
| 4221546 | Axial fan | Georg Papst, Gunter Wrobel | 1980-09-09 |
| 4214690 | Axial locating of horizontally extending tape drive shaft in cassette machine | Georg Papst, Rolf Muller | 1980-07-29 |