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Process for drying microspheres
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Patent number 5,580,656
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Issue date Dec 3, 1996
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George E. Melber
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Thermoplastic microspheres
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Patent number 5,342,689
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Issue date Aug 30, 1994
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Pierce & Stevens Corporation
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George E. Melber
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for making dry microspheres
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Patent number 5,180,752
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Issue date Jan 19, 1993
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Pierce & Stevens Corporation
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George E. Melber
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Simulated marble products
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Patent number 5,112,657
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Issue date May 12, 1992
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Pierce & Stevens Corporation
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George E. Melber
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Thermoplastic microspheres
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Patent number 4,829,094
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Issue date May 9, 1989
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Pierce & Stevens Corp.
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George E. Melber
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B82 - NANO-TECHNOLOGY
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