Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364822 | Autogenous heavy medium process and apparatus for separating coal from refuse | — | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364822 | Autogenous heavy medium process and apparatus for separating coal from refuse | — | 1982-12-21 |