Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376704 | Vacuum double drum filter | Reinhold Winckowski | 1983-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4376704 | Vacuum double drum filter | Reinhold Winckowski | 1983-03-15 |