Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016887 | Lightweight and economical sound barrier for mounting on the ground or a bridge | George R. Underhill, Bruce T. Barit | 2000-01-25 |
| 5540027 | Spring biased apparatus for maintaining precast panels in a stable removable position in a vertical slot | Stephen M. Christensen, Jerry J. McNeal, JR., Michael J. Cowell | 1996-07-30 |
| 5539163 | Lightweight low profile sound wall panel | Peter L. Anderson, Jerry J. McNeal, JR., Eugene A. Lamberson | 1996-07-23 |