Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028401 | Apparatus for obtaining ferric oxide and ammonium salts | Luis Escolar | 1991-07-02 |
| 4935219 | Process for obtaining ferric oxide and ammonium salts | Luis Escolar | 1990-06-19 |