IP Library › Granted Patent US 6,811,144
Granted Patent Utility
US 6,811,144 · App. 10/125,233

Apparatus with collapsible modules for absorbing energy from the impact of a vehicle

Inventors: Owen S. Denman, Gerrit A. Dyke, Jack S. Mazer
Patented Case View Patent ↗
Granted: Nov 2, 2004 Filed: Apr 17, 2002
Inventors
Owen S. Denman
Gerrit A. Dyke
Jack S. Mazer

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Quick Facts
Patent No.
US 6,811,144
App. No.
10/125,233
Filed
2002-04-17
Granted
2004-11-02
Kind
B2