Stephen K. Schubarth

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Sugarland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Extended particle size distribution ceramic fracturing proppant
- Patent number 7,067,445
- Issue date Jun 27, 2006
- Saint-Gobain Ceramics & Plastics, Inc.
- Roy A. Webber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Extended particle size distribution ceramic fracturing proppant
- Patent number 6,780,804
- Issue date Aug 24, 2004
- Saint-Gobain Ceramics & Plastics, Inc.
- Roy A. Webber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Extended particle size distribution ceramic fracturing proppant
- Publication number 20050082062
- Publication date Apr 21, 2005
- Roy A. Webber
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
EXTENDED PARTICLE SIZE DISTRIBUTION CERAMIC FRACTURING PROPPANT
- Publication number 20040147388
- Publication date Jul 29, 2004
- Saint-Gobain Ceramics & Plastics, Inc.
- Roy A. Webber
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES