Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843947 | Method for roughing surfaces of concrete casted blocks | Charles Ciccarello, Yvon Laporte | 2005-01-18 |
| 6575727 | Apparatus for roughing surfaces of concrete casted blocks | Charles Ciccarello, Yvon Laporte | 2003-06-10 |