John W. Pearson

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Appelton, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for forming aggregate; and product
- Patent number 5,669,969
- Issue date Sep 23, 1997
- Greengrove Corporation
- William Delbert Meade
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for forming aggregate; and product
- Patent number 5,500,044
- Issue date Mar 19, 1996
- Greengrove Corporation
- William D. Meade
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES