Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4482517 | Method and equipment for producing solid granules of pitch in the form of cylinders crushed at the ends | Valentino Petrini | 1984-11-13 |
| 4480924 | Stirrer-mixer for retorts in particular, wherein the insuffation is carried out through the stirrer itself | — | 1984-11-06 |