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Floor surface blasting apparatus
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Patent number 5,667,429
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Issue date Sep 16, 1997
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Chubu Electric Power Company, Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Floor surface blasting apparatus
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Patent number 5,435,773
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Issue date Jul 25, 1995
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Chubu Electric Power Co., Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Floor surface blasting apparatus
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Patent number 5,339,573
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Issue date Aug 23, 1994
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Chubu Electric Power Co., Inc.
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Kiyoshi Uchida
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Surface cleaning apparatus
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Patent number 5,261,192
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Issue date Nov 16, 1993
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Nelco Manufacturing Corp.
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Robert T. Nelson
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B24 - GRINDING POLISHING
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Surface cleaner
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Patent number 4,941,296
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Issue date Jul 17, 1990
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Pangborn Corporation
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James H. Carpenter
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B24 - GRINDING POLISHING
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Surface cleaner
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Patent number 4,932,167
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Issue date Jun 12, 1990
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Pangborn Corporation
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James H. Carpenter
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B24 - GRINDING POLISHING
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Surface blasting apparatus
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Patent number 4,841,681
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Issue date Jun 27, 1989
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Dickson Industries, Inc.
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Wayne E. Dickson
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B24 - GRINDING POLISHING
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Surface blasting apparatus
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Patent number 4,788,799
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Issue date Dec 6, 1988
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Dickson Industries, Inc.
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Wayne E. Dickson
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B24 - GRINDING POLISHING
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Surface blasting apparatus
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Patent number 4,753,052
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Issue date Jun 28, 1988
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Dickson Industries, Inc.
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Wayne E. Dickson
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B24 - GRINDING POLISHING
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Surface blasting apparatus
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Patent number 4,693,041
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Issue date Sep 15, 1987
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Dickson Industries, Inc.
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Wayne E. Dickson
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B24 - GRINDING POLISHING