Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446021 | Filter-medium support plate for centrifugal filter | Erhard Aufderhaar, Johannes Feller, Gunther Hultsch | 1984-05-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446021 | Filter-medium support plate for centrifugal filter | Erhard Aufderhaar, Johannes Feller, Gunther Hultsch | 1984-05-01 |