Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217220 | Rotary filter | Rene Egli, Hans-Rudolf Staub | 1980-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217220 | Rotary filter | Rene Egli, Hans-Rudolf Staub | 1980-08-12 |