Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340833 | Bumper system with energy absorber | Mark Weissenborn, Darin Evans, David Powell | 2008-03-11 |
| 7172227 | Bumper system with energy absorber | Mark Weissenborn, Darin Evans, David Powell | 2007-02-06 |
| 7052056 | Bumper system with energy absorber | Mark Weissenborn, Darin Evans, David Powell | 2006-05-30 |
| 6886873 | Bumper beam with crush initiating apertures | Michael J. Hall, David Powell | 2005-05-03 |
| 6695368 | Bumper mount forming corner on end of beam | Michael J. Hall, David Powell | 2004-02-24 |
| 6672635 | Bumper with integrated foam and non-foam components | Mark Weissenborn, Darin Evans, David Powell | 2004-01-06 |
| 6644701 | Bumper energy absorber with foam and non-foam pieces | Mark Weissenborn, David Powell | 2003-11-11 |
| 5349839 | Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections | Robert P. Evert | 1994-09-27 |
| 5327764 | Apparatus and method for the stretch forming of elongated hollow metal sections | Robert P. Evert | 1994-07-12 |
| 5327765 | Internal articulated mandrel for the stretch forming of elongated hollow metal sections | Thomas W. Scherf | 1994-07-12 |
| 5323631 | Method for forming a hollow workpiece using a snake tool | Robert P. Evert | 1994-06-28 |