Dean S. Porter

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Robstown, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Clay control additive for cement compositions and method of cementing
- Patent number 5,232,497
- Issue date Aug 3, 1993
- The Western Company of North America
- Robert L. Dillenbeck
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES