Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4548794 | Method of recovering nickel from laterite ores | John E. Litz, Dennis L. Howe | 1985-10-22 |
| 4541868 | Recovery of nickel and cobalt by controlled sulfuric acid leaching | John E. Litz, Dennis L. Hoe | 1985-09-17 |
| 4541994 | Method of liberating nickel- and cobalt-enriched fines from laterite | John E. Litz, Dennis L. Howe | 1985-09-17 |