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Refined prestressed concrete elements
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Patent number 11,773,589
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Issue date Oct 3, 2023
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ADVANCED BRIDGE CONSTRUCTION TECHNOLOGIES, INC
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Mathew Chirappuram Royce
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B28 - WORKING CEMENT, CLAY, OR STONE
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Refined prestressed concrete elements
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Patent number 11,414,863
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Issue date Aug 16, 2022
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ADVANCED BRIDGE CONSTRUCTION TECHNOLOGIES, INC
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Mathew Chirappuram Royce
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B28 - WORKING CEMENT, CLAY, OR STONE
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Pocket former
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Patent number 7,216,842
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Issue date May 15, 2007
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Lomont Molding, Inc.
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Virgil Allen Watson
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B28 - WORKING CEMENT, CLAY, OR STONE
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3926541
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Patent number 3,926,541
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Issue date Dec 16, 1975
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B28 - WORKING CEMENT, CLAY, OR STONE
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3742985
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Patent number 3,742,985
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Issue date Jul 3, 1973
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B28 - WORKING CEMENT, CLAY, OR STONE
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3676968
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Patent number 3,676,968
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Issue date Jul 18, 1972
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B28 - WORKING CEMENT, CLAY, OR STONE
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3577504
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Patent number 3,577,504
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Issue date May 4, 1971
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B28 - WORKING CEMENT, CLAY, OR STONE
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3552074
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Patent number 3,552,074
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Issue date Jan 5, 1971
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B28 - WORKING CEMENT, CLAY, OR STONE
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3520749
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Patent number 3,520,749
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Issue date Jul 14, 1970
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B28 - WORKING CEMENT, CLAY, OR STONE