Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8240947 | Vehicle barrier with release mechanism | Eddie N. Barnes, Ronald Lee Childers, JR. | 2012-08-14 |
| 8118516 | Energy absorbing system | Joseph Vellozzi, John S. Paner, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2012-02-21 |
| 8002492 | Energy absorbing system with support | — | 2011-08-23 |
| 7866912 | Energy absorbing bollard system | Joel F. Hugghins | 2011-01-11 |
| 7862252 | Vehicle barrier system | Brad Grubb, Jon Jackson | 2011-01-04 |
| 7845877 | Enhanced vehicle barrier system | Brad Grubb | 2010-12-07 |
| 7832957 | Removable barricade system | — | 2010-11-16 |
| 7785031 | Energy absorbing system | Joseph Vellozzi, John S. Paner, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2010-08-31 |
| 7530759 | Retractable energy absorbing system | Joel F. Hugghins | 2009-05-12 |
| 7484905 | Energy absorbing bollard system | Joel F. Hugghins | 2009-02-03 |
| 7441983 | Energy absorbing system with support | — | 2008-10-28 |
| 7377716 | Net and mat | — | 2008-05-27 |
| 7210873 | Energy absorbing system with support | — | 2007-05-01 |
| 7195419 | Net and mat | — | 2007-03-27 |
| 6843613 | Energy absorbing system | Joseph Vellozzi, John S. Paner, Norman D. Mackenzie, Shubin Ruan, D. Lance Bullard, Jr. +1 more | 2005-01-18 |
| 5762443 | Ground retractable automobile barrier | James C. Herrmann, John M. R. Fitzgerald, Joseph Vellozzi, Joel L. Stahmer | 1998-06-09 |