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Pipe lining system and method
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Patent number 10,913,177
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Issue date Feb 9, 2021
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Michels Corporation
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Paul Mallory
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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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
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3871628
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Patent number 3,871,628
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Issue date Mar 18, 1975
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B28 - WORKING CEMENT, CLAY, OR STONE
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3411757
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Patent number 3,411,757
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Issue date Nov 19, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3377000
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Patent number 3,377,000
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Issue date Apr 9, 1968
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B28 - WORKING CEMENT, CLAY, OR STONE
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3258107
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Patent number 3,258,107
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Issue date Jun 28, 1966
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B28 - WORKING CEMENT, CLAY, OR STONE
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3168945
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Patent number 3,168,945
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Issue date Feb 9, 1965
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B28 - WORKING CEMENT, CLAY, OR STONE
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2792098
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Patent number 2,792,098
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Issue date May 14, 1957
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B28 - WORKING CEMENT, CLAY, OR STONE
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1831561
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Patent number 1,831,561
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Issue date Nov 10, 1931
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B28 - WORKING CEMENT, CLAY, OR STONE