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Process for making ceramic mold
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Patent number 6,180,034
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Issue date Jan 30, 2001
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The United States of America as represented by the Administrator of the Natio...
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Gregory M. Buck
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B28 - WORKING CEMENT, CLAY, OR STONE
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Ceramic slip casting technique
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Patent number 5,266,252
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Issue date Nov 30, 1993
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The United States of America as rperesented by the Administrator of the Natio...
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Gregory M. Buck
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B28 - WORKING CEMENT, CLAY, OR STONE