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Locking element
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Patent number 11,655,627
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Issue date May 23, 2023
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MEA Bautechnik GmbH
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Martin Steinbacher
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Permeable paving system
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Patent number 9,938,670
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Issue date Apr 10, 2018
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Charles R. White
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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-
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Rain draining lane marker
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Patent number 4,575,278
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Issue date Mar 11, 1986
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James R. Whitney
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3791752
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Patent number 3,791,752
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Issue date Feb 12, 1974
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3610360
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Patent number 3,610,360
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Issue date Oct 5, 1971
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3503188
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Patent number 3,503,188
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Issue date Mar 31, 1970
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2650410
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Patent number 2,650,410
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Issue date Sep 1, 1953
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B28 - WORKING CEMENT, CLAY, OR STONE
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2650411
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Patent number 2,650,411
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Issue date Sep 1, 1953
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B28 - WORKING CEMENT, CLAY, OR STONE
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2566119
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Patent number 2,566,119
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Issue date Aug 28, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2566120
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Patent number 2,566,120
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Issue date Aug 28, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2537654
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Patent number 2,537,654
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Issue date Jan 9, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1696237
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Patent number 1,696,237
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Issue date Dec 25, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1420535
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Patent number 1,420,535
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Issue date Jun 20, 1922
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES