Gerald R. Abrahamson

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White Bear Lake, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive articles comprising a blend of abrasive particles
- Patent number 5,876,470
- Issue date Mar 2, 1999
- Minnesota Mining and Manufacturing Company
- Gerald R. Abrahamson
- B24 - GRINDING POLISHING
Information Patent Grant
Method of making rotary brush with removable brush elements
- Patent number 5,045,091
- Issue date Sep 3, 1991
- Minnesota Mining and Manufacturing Company
- Gerald R. Abrahamson
- A46 - BRUSHWARE
Information Patent Grant
Cutting element with wear resistant crown
- Patent number 4,705,124
- Issue date Nov 10, 1987
- Minnesota Mining and Manufacturing Company
- Gerald R. Abrahamson
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...