Inventor
HARDTMANN DIRK J
US4 patents
Patents
4 patentsUS5480181AJan 2, 1996
Side impact head strike protection system
SIMULA INC165 citations96
US5839753ANov 24, 1998
Inflatable tubular torso restraint system
SIMULA INC66 citations94
US5464246ANov 7, 1995
Inflatable tubular cushions for crash protection of seated automobile occupants
SIMULA INC101 citations92
US6336653B1Jan 8, 2002
Inflatable tubular knee bolster
SIMULA INC52 citations91