Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979887 | Pellet mill | Hugo Hegelbach, Willi Wetzel | 1990-12-25 |
| 4861529 | Press roller adjustment | Hugo Hegelbach, Hanspeter Schaffner | 1989-08-29 |
| 4770621 | Pellet mill | Hugo Hegelbach, Hanspeter Schaffner | 1988-09-13 |