Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139721 | Method and apparatus for forming a precast curb system | Bertin Castonguay | 1992-08-18 |
| D315026 | Molded curb-stone | Bertin Castonguay | 1991-02-26 |
| 4971475 | Precast curb system | Bertin Castonguay | 1990-11-20 |