Timothy J. Gennrich

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter material of ceramic oxide fibers and vermiculite particles
- Patent number 5,705,444
- Issue date Jan 6, 1998
- Minnesota Mining and Manufacturing Company
- Thomas L. Tompkins
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic foam body having closed cell structure
- Patent number 5,195,843
- Issue date Mar 23, 1993
- Minnesota Mining and Manufacturing Company
- Billy L. George
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Intumescent silicates having improved stability
- Patent number 4,521,333
- Issue date Jun 4, 1985
- Minnesota Mining and Manufacturing Company
- Joseph Graham
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES