Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217121 | Filter module with independent securing means for an outlet grille, and for a filter element behind the grille | — | 1980-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217121 | Filter module with independent securing means for an outlet grille, and for a filter element behind the grille | — | 1980-08-12 |