Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256705 | Leaching agglomerated gold - silver ores | Gene E. McClelland, Roald E. Lindstrom | 1981-03-17 |
| 4256706 | Leaching agglomerated gold - silver ores | Gene E. McClelland, Roald E. Lindstrom | 1981-03-17 |
| 4208378 | Desorption of gold from activated carbon | David G. Peterson, Roald E. Lindstrom | 1980-06-17 |