Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400149 | Concrete pipe making machine with redensification apparatus | Roger L. Toffolon | 1983-08-23 |
| 4351507 | Multi-part form with improved tie and stripping means | Roger L. Toffolon | 1982-09-28 |
| 4251196 | Apparatus for precasting concrete products | Roger L. Toffolon | 1981-02-17 |
| 4196161 | Method for precasting concrete products | Roger L. Toffolon | 1980-04-01 |