US Patent: 5,351X
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| Screw dock
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Patentee:
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| John C. Ely (exact or similar names) - New York, NY |
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Patent Dates:
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| Granted: |
Jan. 28, 1829 |
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Patent Pictures:
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1 | 2
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Joel Havens
X-Patents
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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.
Niles Register of June 1829 indicates this dock was built and used at Ramsay's Wharf, Fell's Point, Baltimore, MD. It was known to be in service past 1847. |
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