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Elzard Sikkema
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Murray, UT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
8,276,886
Issue date
Oct 2, 2012
Trinity Industries, Inc.
Don J. Gripne
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
8,157,471
Issue date
Apr 17, 2012
Trinity Industries, Inc.
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
7,988,133
Issue date
Aug 2, 2011
Trinity Industries, Inc.
Don J. Gripne
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
7,686,535
Issue date
Mar 30, 2010
Trinity Industries, Inc.
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
7,544,009
Issue date
Jun 9, 2009
Trinity Industries, Inc.
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Combined guardrail and cable safety systems
Patent number
7,249,908
Issue date
Jul 31, 2007
Trinity Industries, Inc.
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
Information
Patent Application
Combined Guardrail and Cable Safety Systems
Publication number
20110253961
Publication date
Oct 20, 2011
TRINITY INDUSTRIES, INC.
DON J. GRIPNE
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Combined Guardrail and Cable Safety Systems
Publication number
20100140577
Publication date
Jun 10, 2010
TRINITY INDUSTRIES, INC.
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Combined Guardrail and Cable Safety Systems
Publication number
20080272352
Publication date
Nov 6, 2008
Don J. Gripne
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Combined Guardrail and Cable Safety Systems
Publication number
20060202182
Publication date
Sep 14, 2006
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Combined guardrail and cable safety systems
Publication number
20060182495
Publication date
Aug 17, 2006
TRN Business Trust
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Combined guardrail and cable safety systems
Publication number
20060093430
Publication date
May 4, 2006
Peter Bergendahl
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES