-
Energy absorbing system
-
Patent number 8,118,516
-
Issue date Feb 21, 2012
-
Smith & Wesson Security Solutions, Inc.
-
Matthew A. Gelfand
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Energy absorbing system
-
Patent number 7,785,031
-
Issue date Aug 31, 2010
-
Universal Safety Response, Inc.
-
Joseph Vellozzi
-
B61 - RAILWAYS
-
Energy absorbing system
-
Patent number 6,843,613
-
Issue date Jan 18, 2005
-
Universal Safety Response, Inc.
-
Matthew A. Gelfand
-
B61 - RAILWAYS