Jonathan T. Kwan

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Santa Maria, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for using sludge from geothermal brine to make concrete and...
- Patent number 4,900,360
- Issue date Feb 13, 1990
- Union Oil Company of California
- Olin D. Whitescarver
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for using sludge from geothermal brine to make concrete and...
- Patent number 4,761,182
- Issue date Aug 2, 1988
- Union Oil Co. of California
- Olin D. Whitescarver
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES