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Insulated face brick
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Patent number 4,963,305
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Issue date Oct 16, 1990
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Bloom; Leonard
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John Cromrich
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B28 - WORKING CEMENT, CLAY, OR STONE
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3867495
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Patent number 3,867,495
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Issue date Feb 18, 1975
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3778492
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Patent number 3,778,492
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Issue date Dec 11, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3700470
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Patent number 3,700,470
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Issue date Oct 24, 1972
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3608010
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Patent number 3,608,010
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Issue date Sep 21, 1971
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3259171
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Patent number 3,259,171
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Issue date Jul 5, 1966
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3190765
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Patent number 3,190,765
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Issue date Jun 22, 1965
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3112184
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Patent number 3,112,184
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Issue date Nov 26, 1963
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B28 - WORKING CEMENT, CLAY, OR STONE
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3111396
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Patent number 3,111,396
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Issue date Nov 19, 1963
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B22 - CASTING POWDER METALLURGY
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3102300
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Patent number 3,102,300
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Issue date Sep 3, 1963
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3100721
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Patent number 3,100,721
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Issue date Aug 13, 1963
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3093593
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Patent number 3,093,593
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Issue date Jun 11, 1963
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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3090094
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Patent number 3,090,094
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Issue date May 21, 1963
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3070991
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Patent number 3,070,991
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Issue date Jan 1, 1963
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G01 - MEASURING TESTING
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3058166
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Patent number 3,058,166
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Issue date Oct 16, 1962
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3056163
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Patent number 3,056,163
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Issue date Oct 2, 1962
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3039895
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Patent number 3,039,895
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Issue date Jun 19, 1962
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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3023116
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Patent number 3,023,116
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Issue date Feb 27, 1962
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3021291
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Patent number 3,021,291
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Issue date Feb 13, 1962
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3019505
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Patent number 3,019,505
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Issue date Feb 6, 1962
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B28 - WORKING CEMENT, CLAY, OR STONE
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3000757
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Patent number 3,000,757
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Issue date Sep 19, 1961
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2960728
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Patent number 2,960,728
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Issue date Nov 22, 1960
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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2948947
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Patent number 2,948,947
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Issue date Aug 16, 1960
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B28 - WORKING CEMENT, CLAY, OR STONE
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2937938
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Patent number 2,937,938
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Issue date May 24, 1960
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B22 - CASTING POWDER METALLURGY