Maplewood, MN, US
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Patent Grant
Minnesota Minning and Manufacturing Company
Todd A. Berg
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Minnesota Mining and Manufacturing Company
Donley D. Rowenhorst
051 - Abrasive tool making process, material, or composition
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Patent Grant
Minnesota Mining and Manufacturing Company
Donley D. Rowenhorst
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Minnesota Mining and Manufacturing Company
William K. Leonard
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Minnesota Mining and Manufacturing Company
Todd A. Berg
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Minnesota Mining and Manufacturing Company
Thomas Gabor
B24 - GRINDING POLISHING
