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Future U.S. President Abraham Lincoln is issued a patent for an invention to lift boats, making him the only U.S. president to ever hold a patent.
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President of the United States
Head of state and government of the United States
The president of the United States (POTUS) is the head of state and head of government of the United States. The president directs the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces.Source: Wikipedia (CC BY-SA)
Abraham Lincoln
President of the United States from 1861 to 1865
Abraham Lincoln was the 16th president of the United States, serving from 1861 until his assassination in 1865. He led the United States through the American Civil War, defeating the Confederate States of America and playing a major role in the abolition of slavery.Source: Wikipedia (CC BY-SA)
Patent
Type of legal protection for an invention
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention. In most countries, patent rights fall…Source: Wikipedia (CC BY-SA)
Abraham Lincoln's patent
Invention to lift boats, by the President
Abraham Lincoln's patent relates to an invention to buoy and lift boats over shoals and obstructions in a river. Abraham Lincoln conceived the invention when on two occasions the boat on which he traveled got hung up on obstructions. Lincoln's device was composed of large…Source: Wikipedia (CC BY-SA)