Margaret M. Nauman

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Hastings, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Granular materials including a ceramic coating which reduces dustin...
- Patent number 5,368,936
- Issue date Nov 29, 1994
- Minnesota Mining and Manufacturing Company
- Ehrich J. Braunschweig
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polysiloxane treated roofing granules
- Patent number 5,240,760
- Issue date Aug 31, 1993
- Minnesota Mining and Manufacturing Company
- Billy L. George
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES