Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921311 | Installation for eliminating impurities during casting of metals | Fernando Sitges Menendez, Francisco Tamargo Garcia, Jose M. Matinez Valdes | 1999-07-13 |
| 5269897 | Installation for removing the zinc deposited by electrolysis on aluminium plates | Franciso J. S. Menendez, Vicente A. Fernandez, Fernando M. S. Menendez, Manuel P. Lopez, Jose M. M. Valdes | 1993-12-14 |
| 4886648 | Process for the recovery of germanium from solutions that contain it | Francisco Javier Sitges Menendez, Fernando M. S. Menendez, Antonio De La Cuadra Herrera, Luis P. Lorenzo, Matias R. Valcarcel +1 more | 1989-12-12 |