Glenn E. Roelofs

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Oakdale, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of splicing endless abrasive belts and cones
- Patent number 5,305,560
- Issue date Apr 26, 1994
- Minnesota Mining and Manufacturing Company
- Glenn E. Roelofs
- B24 - GRINDING POLISHING
Information Patent Grant
Method of splicing endless abrasive belts and cones
- Patent number 5,256,227
- Issue date Oct 26, 1993
- Minnesota Mining and Manufacturing Company
- Glenn E. Roelofs
- B24 - GRINDING POLISHING
Information Patent Grant
Conformable hand sanding pad
- Patent number 4,202,139
- Issue date May 13, 1980
- Minnesota Mining and Manufacturing Company
- In S. Hong
- B24 - GRINDING POLISHING
Information Patent Grant
Coextruded polyester splicing tape
- Patent number 4,091,150
- Issue date May 23, 1978
- Minnesota Mining and Manufacturing Company
- Glenn E. Roelofs
- B32 - LAYERED PRODUCTS
Information Patent Grant
Article having a coextruded polyester support film
- Patent number 4,011,358
- Issue date Mar 8, 1977
- Minnesota Mining and Manufacturing Company
- Glenn E. Roelofs
- B32 - LAYERED PRODUCTS