Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677233 | Pedestrian barrier and barrier system | James B. Welch | 2017-06-13 |
| 8182169 | Energy absorbing vehicle barrier | Sean Thompson, Samuel Ross Stanley, Jr., Patrick A. Leonhardt | 2012-05-22 |
| 7950870 | Energy absorbing vehicle barrier | Sean Thompson, Samuel Ross Stanley, Jr., Patrick A. Leonhardt | 2011-05-31 |