Thomas Forester

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Durable retroreflective elements
- Patent number 5,774,265
- Issue date Jun 30, 1998
- Minnesota Mining and Manufacturing Company
- James P. Mathers
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive...
- Patent number 4,957,886
- Issue date Sep 18, 1990
- Minnesota Mining and Manufacturing Company
- James P. Mathers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive...
- Patent number 4,855,264
- Issue date Aug 8, 1989
- Minnesota Mining and Manufacturing Company
- James P. Mathers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES