Inventor
TJOELKER TODD W J
US4 patents
Patents
4 patentsUS6231095B1May 15, 2001
Energy absorption impact system
BENTELER AUTOMOTIVE CORP55 citations94
US6918224B2Jul 19, 2005
Heat treatment strategically strengthened door beam
BENTELER AUTOMOTIVE CORP22 citations88
US6409239B1Jun 25, 2002
Energy absorption impact system and method for making the same
BENTELER AUTOMOTIVE CORP44 citations83
US7451630B2Nov 18, 2008
Heat treatment strategically strengthened door beam
BENTELER AUTOMOTIVE CORP8 citations69