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Pedestrian barricade assembly
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Patent number 8,302,937
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Issue date Nov 6, 2012
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Inertial barrier
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Patent number 8,282,309
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Issue date Oct 9, 2012
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Barricade panel
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Patent number D665689
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Issue date Aug 21, 2012
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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D10 - Measuring, testing, or signalling instruments
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Portable highway warning device
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Patent number 7,736,087
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Issue date Jun 15, 2010
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Inertial barrier container
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Patent number D542685
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Issue date May 15, 2007
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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D10 - Measuring, testing, or signalling instruments
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Traffic channelizer devices
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Patent number 7,059,798
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Issue date Jun 13, 2006
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Traffic channelizer devices
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Patent number 6,817,805
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Issue date Nov 16, 2004
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Portable sign assembly
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Patent number 6,769,207
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Issue date Aug 3, 2004
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Plastic Safety Systems, Inc.
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Gregory H. Brown
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Guardrail delineators
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Patent number 6,733,205
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Issue date May 11, 2004
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Plastic Safety Systems, Inc.
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Gregory H. Brown
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Traffic channelizer
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Patent number D486089
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Issue date Feb 3, 2004
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Plastic Safety Systems, Inc.
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Charles M. Mettler
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D10 - Measuring, testing, or signalling instruments
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Barricade frame
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Patent number D471123
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Issue date Mar 4, 2003
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Plastic Safety Systems, Inc.
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Gregory H. Brown
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D10 - Measuring, testing, or signalling instruments
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Traffic channeling device
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Patent number 6,182,600
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Issue date Feb 6, 2001
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Plastic Safety Systems, Inc.
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Gregory H. Brown
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Traffic channelizer
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Patent number D406543
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Issue date Mar 9, 1999
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Plastic Safety Systems, Inc.
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Gregory H. Brown
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D10 - Measuring, testing, or signalling instruments