Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167815 | Apparatus for removing substances from the surface of a liquid | Rolf Bachmann, Werner Iseli | 1992-12-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167815 | Apparatus for removing substances from the surface of a liquid | Rolf Bachmann, Werner Iseli | 1992-12-01 |