Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091922 | Composite tilt-up panel | David L. Kelly, Darryl Dixon | 2021-08-17 |
| 11091923 | Brace for a precast concrete panel | Thomas F. Abbott, Jr. | 2021-08-17 |
| 11060284 | Lifting and leveling insert for a precast concrete slab | Ronald G. Naumann, Hector G. Ruiz | 2021-07-13 |
| 10968645 | Anchor and clutch assembly | David L. Kelly | 2021-04-06 |
| 10883265 | Connector for precast concrete structures | David L. Kelly, Gary Hartman, Ronald G. Naumann | 2021-01-05 |