Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530769 | Automated mold changing system for concrete product molding machines and methods of constructing and operating the system | Duane A. Rondeau, Laurie Delekta | 2003-03-11 |
| 5952015 | Concrete product mold inserting and removing apparatus and method | Duane A. Rondeau | 1999-09-14 |