Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12077922 | Gravel scarifying and levelling device with integrated roller device and methods of use thereof | — | 2024-09-03 |
| 5407013 | Gravel scarifying and levelling device | — | 1995-04-18 |
| 5265975 | Gravel scarifying and levelling device | — | 1993-11-30 |
| 4612751 | Dapped end reinforcement assembly for precast prestressed concrete members | Edward C. Gloppen | 1986-09-23 |