Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891099 | Apparatus for secondary fibre processing | Luigi Silveri | 1990-01-02 |
| 4812205 | Process for secondary fibre processing | Luigi Silveri | 1989-03-14 |
| 4480796 | Pulping apparatus including improved rotor | — | 1984-11-06 |