US Patent: 8,365X
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Refining metal ore
Machine for facilitating the process in metallurgy of freeing the ores of the precious metals from sulphur
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Patentee:
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| John L. Sullivan (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 18, 1834 |
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Joel Havens
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only. |
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