Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637969 | Swivel | David J. Long | 2003-10-28 |
| 5421422 | Roller cutter mount for tunneling machine | John P. Kocab | 1995-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637969 | Swivel | David J. Long | 2003-10-28 |
| 5421422 | Roller cutter mount for tunneling machine | John P. Kocab | 1995-06-06 |