US Patent: AI5
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| Worm for Stills
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Patentee:
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| John G. Webb (exact or similar names) - Waterford, Saratoga County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 07, 1838 |
| Reissue Information: |
| Reissue of 8,016X (Feb. 11, 1834) |
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Patent Pictures:
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1 | 2
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Joel Havens
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Description: |
| The original patent was lost in the December 1836 Patent Office fire and was not restored.
AI (Additional Improvements) patents were issued between 1836 and 1861 and only 318 were ever issued.
This patent is an improvement of patent #8,016X.
Only the patent drawing is available.
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