Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9758937 | Energy attenuating safety system | — | 2017-09-12 |
| 9458583 | Energy attenuating safety system | — | 2016-10-04 |
| 8714866 | Energy attenuating safety system | — | 2014-05-06 |
| 8414216 | Energy attenuating safety system | — | 2013-04-09 |
| 8038126 | Breakaway support post for highway guardrail end treatments | — | 2011-10-18 |
| 7871220 | Energy attenuating safety system | — | 2011-01-18 |
| 7306397 | Energy attenuating safety system | — | 2007-12-11 |
| 7210874 | Flared energy absorbing system and method | — | 2007-05-01 |
| 7101111 | Flared energy absorbing system and method | — | 2006-09-05 |
| 6886813 | Breakaway support post for highway guardrail end treatments | — | 2005-05-03 |
| 6793204 | Breakaway support post for highway guardrail end treatments | — | 2004-09-21 |
| 6783116 | Guardrail end terminal assembly having at least one angle strut | — | 2004-08-31 |
| 6619630 | Breakaway support post for highway guardrail end treatments | — | 2003-09-16 |
| 6536985 | Energy absorbing system for fixed roadside hazards | — | 2003-03-25 |
| 6488268 | Breakaway support post for highway guardrail end treatments | — | 2002-12-03 |
| 6398192 | Breakaway support post for highway guardrail end treatments | — | 2002-06-04 |
| 6293727 | Energy absorbing system for fixed roadside hazards | — | 2001-09-25 |
| 5954898 | Method and system for fabricating parts from composite materials | Elbert Lee McKague, Jr. | 1999-09-21 |
| 5947452 | Energy absorbing crash cushion | — | 1999-09-07 |