Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7114874 | Security barrier | Robert S. Burns, Dennis Darling, Gary Ketner | 2006-10-03 |
| 7101112 | Security barrier | Robert S. Burns, Dennis Darling, Gary Ketner | 2006-09-05 |
| 7048467 | Security barrier | Robert S. Burns, Dennis Darling, Gary Ketner | 2006-05-23 |