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Richard Ullrich
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Brookline, NH, US
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Patents Grants
last 30 patents
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Patent Grant
Method of removing a fugitive pattern from a mold
Patent number
7,204,296
Issue date
Apr 17, 2007
Metal Casting Technology, Incorporated
John A. Redemske
B28 - WORKING CEMENT, CLAY, OR STONE
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last 30 patents
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Patent Application
Method of removing a fugitive pattern from a mold
Publication number
20060017186
Publication date
Jan 26, 2006
John A. Redemske
B28 - WORKING CEMENT, CLAY, OR STONE