Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838771 | Method for protecting a cable or a pipe | Christan Langlois | 2010-11-23 |
| 4750280 | Trench-digging machine | — | 1988-06-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7838771 | Method for protecting a cable or a pipe | Christan Langlois | 2010-11-23 |
| 4750280 | Trench-digging machine | — | 1988-06-14 |