Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843947 | Method for roughing surfaces of concrete casted blocks | Yvon Laporte, Hugo Laporte | 2005-01-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843947 | Method for roughing surfaces of concrete casted blocks | Yvon Laporte, Hugo Laporte | 2005-01-18 |