William Joseph Wilson

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Saint John, CA

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Patents Grantslast 30 patents

Information Patent Grant
Manufacture of precipitated calcium carbonate of improved color and...
- Patent number 6,132,696
- Issue date Oct 17, 2000
- Goldcorp Inc.
- Alvin Lee Porter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of precipitated calcium carbonate
- Patent number 5,939,036
- Issue date Aug 17, 1999
- Goldcorp Inc.
- Alvin Lee Porter
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES