Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410358 | Plasma recovery of tin from smelter dust | — | 1983-10-18 |
| 4406693 | Method for refining contaminated iridium | Richard L. Heestand | 1983-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410358 | Plasma recovery of tin from smelter dust | — | 1983-10-18 |
| 4406693 | Method for refining contaminated iridium | Richard L. Heestand | 1983-09-27 |