US Patent: 6,428X
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| Wood auger
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Patentee:
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| George Shetter (exact or similar names) - York, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 21, 1831 |
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Jeff Joslin (dm)
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Description: |
| This is a double-bit auger, as compared to the inventor's earlier single-bit design, which was patented 1829-09-10 but not restored after the 1836 patent-office fire. |
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