US Patent: 3X
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Manufacturing Flour and Meal
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Patentee:
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Oliver Evans (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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Granted: |
Dec. 18, 1790 |
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Joel Havens X-Patents Oliver Evans
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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.
This patent was renewed by an Act of Congress on 21 Jan 1808. |
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