Donald L. Robertson

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Low shrinkage tape joint composition containing attapulgite
- Patent number 4,824,879
- Issue date Apr 25, 1989
- Minnesota Mining and Manufacturing Company
- Richard L. Montgomery
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...