Larry D. Sheppard

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Lawrenceville, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cellular ceramics apparatus and methods of production
- Patent number 9,017,595
- Issue date Apr 28, 2015
- JWN, Inc.
- John W. North
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cellular ceramics apparatus and methods of production
- Patent number 8,663,546
- Issue date Mar 4, 2014
- JWN, Inc.
- John W. North
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
CELLULAR CERAMICS APPARATUS AND METHODS OF PRODUCTION
- Publication number 20140175712
- Publication date Jun 26, 2014
- John W. North
- B32 - LAYERED PRODUCTS
Information Patent Application
Cellular Ceramics Apparatus and Methods of Production
- Publication number 20110227260
- Publication date Sep 22, 2011
- JWN, INC.
- John W. North
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES