Washington Mills Ceramics Corporation

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North Grafton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Light weight ceramic abrasive media
- Patent number 5,443,603
- Issue date Aug 22, 1995
- Washington Mills Ceramics Corporation
- Gregory S. Kirkendall
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method and apparatus for producing compacted particulate articles
- Patent number 5,073,323
- Issue date Dec 17, 1991
- Washington Mills Ceramics Corporation
- Henry A. McCartney
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Light weight abrasive tumbling media and method of making same
- Patent number 5,049,166
- Issue date Sep 17, 1991
- Washington Mills Ceramics Corporation
- Gregory S. Kirkendall
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES