Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869799 | Membrane cell for the electrolysis of alkali metal chloride and process thereof | Oronzio de Nora | 1989-09-26 |
| 4834851 | Permanent anode | Renato Schira, Oronzio de Nora | 1989-05-30 |