US Patent: 6,916
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| Mill for grinding bark
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Patentees:
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| Sidney A. Bantz (exact or similar names) - Frederick, MD |
| William Andrew (exact or similar names) - Frederick, MD |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Dec. 04, 1849 |
| Reissue Information: |
| Reissued as RE180 (Oct. 15, 1850) |
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Jeff Joslin
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