Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938288 | Automatic control system and method for a machine used for excavating drifts, tunnels, stopes, or caverns | Jacques Andre Saint-Pierre, Everett James Henderson, Jeffrey Nicholas Repski, Guy Chevrette, Peter Heinrich Hennecke +1 more | 1999-08-17 |
| 5340199 | Method and machine for excavating drifts, tunnels, stopes, caverns or the like | Walter Weber, Hermann Hamburger | 1994-08-23 |