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Slurry batcher mixer
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Patent number 6,030,112
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Issue date Feb 29, 2000
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Robert C. Milek
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B28 - WORKING CEMENT, CLAY, OR STONE
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Mobile concrete mixer
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Patent number 4,832,498
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Issue date May 23, 1989
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Robert C. Milek
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B28 - WORKING CEMENT, CLAY, OR STONE
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Mobile concrete mixer
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Patent number 4,752,134
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Issue date Jun 21, 1988
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Robert C. Milek
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B28 - WORKING CEMENT, CLAY, OR STONE
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Cement batcher
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Patent number 4,067,478
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Issue date Jan 10, 1978
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Robert C. Milek
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B28 - WORKING CEMENT, CLAY, OR STONE