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Interlocking paving brick assembly
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Patent number 11,753,776
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Issue date Sep 12, 2023
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Jing Si Pureland Co., Ltd.
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Marshall Q. Siao
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Twisted block
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Patent number 10,760,224
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Issue date Sep 1, 2020
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KEYSTONE RETAINING WALL SYSTEMS LLC
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Robert A. MacDonald
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Twisted block
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Patent number 10,329,717
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Issue date Jun 25, 2019
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Keystone Retaining Wall Systems LLC
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Robert A. MacDonald
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Monolithic paver
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Patent number 9,963,834
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Issue date May 8, 2018
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Gilliam Harris Engineering, LLC
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Gilliam Stelling Harris
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Monolithic paver
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Patent number 9,644,326
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Issue date May 9, 2017
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Gilliam Harris Engineering, LLC
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Gilliam Stelling Harris
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
Twisted block
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Patent number 9,464,434
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Issue date Oct 11, 2016
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Keystone Retaining Wall Systems LLC
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Robert A. MacDonald
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
Formed building materials
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Patent number 8,869,477
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Issue date Oct 28, 2014
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Calera Corporation
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Eric Ha
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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-
-
-
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Porous ceramic paving material
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Patent number 7,621,692
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Issue date Nov 24, 2009
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Airostone Corp.
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Raymond Wu
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Block
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Patent number 4,719,738
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Issue date Jan 19, 1988
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Chang Y. Lee
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Rollable walk guide
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Patent number 4,047,825
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Issue date Sep 13, 1977
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The Raymond Lee Organization, Inc.
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Robert O. Lundahl
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2545046
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Patent number 2,545,046
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Issue date Mar 13, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2184469
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Patent number 2,184,469
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Issue date Dec 26, 1939
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2095012
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Patent number 2,095,012
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Issue date Oct 5, 1937
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2060746
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Patent number 2,060,746
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Issue date Nov 10, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2029814
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Patent number 2,029,814
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Issue date Feb 4, 1936
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2011531
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Patent number 2,011,531
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Issue date Aug 13, 1935
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1785976
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Patent number 1,785,976
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Issue date Dec 23, 1930
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1677829
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Patent number 1,677,829
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Issue date Jul 17, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1397505
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Patent number 1,397,505
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Issue date Nov 22, 1921
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES