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Portable view barrier system
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Patent number 10,697,141
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Issue date Jun 30, 2020
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Logan Hillis
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Security barrier
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Patent number 8,979,419
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Issue date Mar 17, 2015
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Heald Technologies Ltd.
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Jonathan Roderic Heald
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Retractable road barrier
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Patent number 6,926,462
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Issue date Aug 9, 2005
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CRF Societa Consortile per Azioni
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Antonio Fuganti
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Portable security system
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Patent number 6,843,614
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Issue date Jan 18, 2005
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Leo J. Yodock, Jr.
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Guard rail assembly
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Patent number 5,566,927
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Issue date Oct 22, 1996
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Frank Venegas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Moveable barrier
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Patent number 5,551,796
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Issue date Sep 3, 1996
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Emergency Public Safety Services, L.L.C.
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Hugh G. Anderson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Safety barrier assembly
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Patent number 5,271,183
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Issue date Dec 21, 1993
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Rite-Hite Corporation
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Norbert Hahn
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Removable barrier
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Patent number 5,181,794
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Issue date Jan 26, 1993
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Roads Corporation
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James B. S. Wilson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Panel for road construction
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Patent number 5,149,061
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Issue date Sep 22, 1992
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Arsenio Borgnini
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Safety fences
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Patent number 5,039,066
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Issue date Aug 13, 1991
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British Ropes Limited
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Andrew G. Stacey
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Traffic barrier gate
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Patent number 5,009,542
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Issue date Apr 23, 1991
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Paul W. Hardin
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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