Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935063 | Fillers and pigments possessing organic polymer stabilizing properties and a process for their preparation | Silvestro Costanzi, Omero Zavattini, deceased, Damiano Gussoni | 1990-06-19 |