Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652367 | Filter for the filtration of fluids | Gunter Pradel | 1987-03-24 |
| 4536291 | Tubular filter element with mated end caps | Jurgen Hoffmann, Gunter Pradel | 1985-08-20 |
| 4529419 | Filter for gas filtration | Horst Perl, Massoud Karbachsch, Gunter Pradel | 1985-07-16 |