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Renato Terragni
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Holden, MA, US
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last 30 patents
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Patent Grant
High porosity vitrified bonded grinding wheels
Patent number
5,203,886
Issue date
Apr 20, 1993
Norton Company
David A. Sheldon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Abrasive article
Patent number
5,104,424
Issue date
Apr 14, 1992
Norton Company
Gordon E. Hickory
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES