Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227143 | Process for the removal of salts from aluminum dross | Donald L. Stewart, Jr. | 1993-07-13 |
| 4761207 | Continuous salt-based melting process | Donald L. Stewart, Jr. | 1988-08-02 |
| 4758316 | Aluminum-lithium scrap recovery | Donald L. Stewart, Jr. | 1988-07-19 |