Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979817 | High strength security fence for snaring vehicles | — | 1990-12-25 |
| 4828424 | Vehicle security barrier | — | 1989-05-09 |
| 4752152 | Vehicle security barrier | Jack D. Elkins | 1988-06-21 |