Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601616 | Roof support system for a mine and the method and tooling for providing the same | Paul Yacisin | 1986-07-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601616 | Roof support system for a mine and the method and tooling for providing the same | Paul Yacisin | 1986-07-22 |