Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40736 | Vehicle bumper beam | David W. Heatherington, Bruce W. Lyons | 2009-06-16 |
| 7407219 | Energy management beam | David W. Heatherington, Bruce W. Lyons | 2008-08-05 |
| 7393029 | Plastic energy management beam | David W. Heatherington, Bruce W. Lyons, Darin Evans, Ranier B. Nees | 2008-07-01 |
| 7240933 | Tubular energy management system for absorbing impact energy | David W. Heatherington, Bruce W. Lyons | 2007-07-10 |
| 7021686 | Tubular energy management system for absorbing impact energy | David W. Heatherington, Bruce W. Lyons | 2006-04-04 |
| 6986536 | Vehicle bumper beam | David W. Heatherington, Bruce W. Lyons | 2006-01-17 |
| 6971691 | Vehicle bumper beam | David W. Heatherington, Bruce W. Lyons | 2005-12-06 |
| 6942262 | Tubular energy management system for absorbing impact energy | David W. Heatherington, Bruce W. Lyons | 2005-09-13 |
| 6648384 | Bumper crush tower with rings of varied strength | Rainer B. Nees, David W. Heatherington, Jack Russell | 2003-11-18 |