Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12054896 | System for an arch bridge and methods of producing the same | Jeffrey J. Von Handorf | 2024-08-06 |
| 11293161 | Retaining wall | Jeffrey J. Von Handorf | 2022-04-05 |
| 9822498 | Precast concrete bridge unit and headwall assembly and method of production | Jeffrey J. Von Handorf | 2017-11-21 |