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Belt cleaner
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Patent number 5,484,323
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Issue date Jan 16, 1996
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Robert K. Smith
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B24 - GRINDING POLISHING
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Sander cleaning process
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Patent number 4,109,422
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Issue date Aug 29, 1978
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Parsons Enterprises, Inc.
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James W. Parsons
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B24 - GRINDING POLISHING
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3753269
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Patent number 3,753,269
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Issue date Aug 21, 1973
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B24 - GRINDING POLISHING
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3596413
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Patent number 3,596,413
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Issue date Aug 3, 1971
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B24 - GRINDING POLISHING
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3177627
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Patent number 3,177,627
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Issue date Apr 13, 1965
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B24 - GRINDING POLISHING
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3085268
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Patent number 3,085,268
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Issue date Apr 16, 1963
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B24 - GRINDING POLISHING
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2817103
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Patent number 2,817,103
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Issue date Dec 24, 1957
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B24 - GRINDING POLISHING
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2646654
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Patent number 2,646,654
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Issue date Jul 28, 1953
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B24 - GRINDING POLISHING
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2320569
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Patent number 2,320,569
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Issue date Jun 1, 1943
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B24 - GRINDING POLISHING