Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386958 | Process and flotation box for inclusion removal | Derek E. Tyler, Ik Y. Yun | 1983-06-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386958 | Process and flotation box for inclusion removal | Derek E. Tyler, Ik Y. Yun | 1983-06-07 |