Leonard E. Nelson

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive articles and method for the manufacture of same
- Patent number 5,919,549
- Issue date Jul 6, 1999
- Minnesota Mining and Manufacturing Company
- Loc X. Van
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive composition and articles incorporating same
- Patent number 5,273,558
- Issue date Dec 28, 1993
- Minnesota Mining and Manufacturing Company
- Leonard E. Nelson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Abrasive article
- Patent number 4,331,453
- Issue date May 25, 1982
- Minnesota Mining and Manufacturing Company
- Donald E. Dau
- B24 - GRINDING POLISHING