-
Energy absorbing bollard system
-
Patent number 7,866,912
-
Issue date Jan 11, 2011
-
Universal Safety Response, Inc.
-
Matthew A. Gelfand
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Retractable energy absorbing system
-
Patent number 7,530,759
-
Issue date May 12, 2009
-
Universal Safety Response, Inc.
-
Matthew A. Gelfand
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
-
Energy absorbing bollard system
-
Patent number 7,484,905
-
Issue date Feb 3, 2009
-
Universal Safety Response, Inc.
-
Matthew A. Gelfand
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES