US Patent: 53,092
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Improved composition to be used as a cement and as a plastic material for molding various articles
Material for making grinding wheels
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Patentee:
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| Stanislas Sorel (exact or similar names) - Paris, France |
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Patent Dates:
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| Granted: |
Mar. 06, 1866 |
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Jeff Joslin
Vintage Machinery entry for Union Stone Co.
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Description: |
| This method of producing composition products was used by the Union Stone Co. to produce emery wheels, hones, etc., plus artificial soapstone for making various decorative items. See also patent 100,944. |
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