Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340268 | Impact attenuating barrier wall | Dean C. Alberson, John F. Carney, III | 2002-01-22 |
| D389252 | Traffic sign post slip splice connection base piece | Dean C. Alberson | 1998-01-13 |
| D389253 | Traffic signpost slip splice connection base piece | Dean C. Alberson | 1998-01-13 |