Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4462879 | Gold recovery process | Juan D. Castellanos, Max Kelly, Lorenzo J. Kelly, Irving Glicken | 1984-07-31 |
| 4378285 | Gold recovery apparatus | Juan D. Castellanos, Max Kelly, Lorenzo J. Kelly, Irving Glicken | 1983-03-29 |