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Robert S. Lundberg
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Charlton City, MA, US
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last 30 patents
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Patent Grant
Low temperature bond for abrasive tools
Patent number
5,863,308
Issue date
Jan 26, 1999
Norton Company
Dongxin Qi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sol-gel alumina abrasive wheel with improved corner holding
Patent number
5,573,561
Issue date
Nov 12, 1996
Norton Company
David A. Sheldon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Alumina abrasive wheel with improved corner holding
Patent number
5,536,283
Issue date
Jul 16, 1996
Norton Company
David A. Sheldon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sol-gel alumina abrasive wheel with improved corner holding
Patent number
5,401,284
Issue date
Mar 28, 1995
David A. Sheldon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES