US Patent: 5,954X
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Raising boats
Raising vessels by means of sliding ways
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Patentee:
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| Thomas Sheffield (exact or similar names) - Greene County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 08, 1830 |
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Joel Havens
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Description: |
| Listed in A List of Patents Issued by the United States, from 1790 to 1847, 1847, pgs. 176 & 554.
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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