Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836979 | Manufacture of composite structures | Thijs Eerkes, Carlos M. Diaz, William L. Mankins | 1989-06-06 |
| 4830667 | Pyrometallurgical copper refining | Samuel Walton Marcuson, Carlos M. Diaz, Haydn Davies, Richard Stratton-Crawley | 1989-05-16 |
| 4802916 | Copper smelting combined with slag cleaning | Grigori S. Victorovich, Carlos M. Diaz, Charles E. O'Neill, Lloyd Timberg | 1989-02-07 |