Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540477 | Tray valve for a tray column | Markus Fischer, Vincenzo Curti, Emil Fehr | 2009-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540477 | Tray valve for a tray column | Markus Fischer, Vincenzo Curti, Emil Fehr | 2009-06-02 |