Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880607 | Recovering mineral values from ores | George V. Lakey | 1989-11-14 |
| 4843102 | Removal of mercury from gases | — | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880607 | Recovering mineral values from ores | George V. Lakey | 1989-11-14 |
| 4843102 | Removal of mercury from gases | — | 1989-06-27 |