bn:02773629n
Noun Named Entity
Categories: United States patent law, 1849 in the United States, Abraham Lincoln, American inventions, History of patent law
EN
Abraham Lincoln's patent
EN
Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Wikipedia
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EN
Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Wikipedia
Historical Artifact Wikidata
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