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David C. Cummins
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Baton Rouge, LA, US
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last 30 patents
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Patent Grant
Method of reducing dusting tendencies of conveyed particulate material
Patent number
5,637,349
Issue date
Jun 10, 1997
Kaiser Aluminum & Chemical Corporation
David C. Cummins
B28 - WORKING CEMENT, CLAY, OR STONE
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Patent Grant
Particulate material treatment system and conveyor belt mixing system
Patent number
5,622,561
Issue date
Apr 22, 1997
Kaiser Aluminum & Chemical Corporation
David C. Cummins
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method of mixing particulate material using a conveyor belt mixing...
Patent number
5,499,873
Issue date
Mar 19, 1996
Kaiser Aluminum & Chemical Corporation
David C. Cummins
B28 - WORKING CEMENT, CLAY, OR STONE