Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865849 | Tablet for pharmaceutical use able to release active substances at successive times | Aldo La Manna, Paolo Colombo | 1989-09-12 |
| 4839177 | System for the controlled-rate release of active substances | Paolo Colombo, Aldo La Manna | 1989-06-13 |