David B Hanson

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Afton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnesium oxychloride plug-filled magnesium oxychloride bonded abra...
- Patent number 6,214,067
- Issue date Apr 10, 2001
- David B. Hanson
- B24 - GRINDING POLISHING
Information Patent Grant
Fiber-reinforced magnesium oxychloride bond
- Patent number 5,679,119
- Issue date Oct 21, 1997
- Western Atlas
- Stephen M. Freeman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Plant fiber grain-spacer for abrasive bonds
- Patent number 5,609,656
- Issue date Mar 11, 1997
- Western Atlas, Incorporated
- David B. Hanson
- B24 - GRINDING POLISHING
Information Patent Grant
Fiber-reinforced magnesium oxychloride bond
- Patent number 5,571,317
- Issue date Nov 5, 1996
- Western Atlas Inc.
- Stephen M. Freeman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES