The only U.S. President to have been granted a patent is Abraham Lincoln. He received a patent for an invention he called "Buoying Vessels Over Shoals" on May 22, 1849, while he was still a private citizen. The invention was a system for buoying boats over shoals using a system of inflatable bellows attached to the sides of the vessel.
Lincoln's patent was never put into commercial production, but it showcases his interest and innovation in mechanical and engineering concepts.
Abraham Lincoln's patent, titled "Buoying Vessels Over Shoals," was issued by the United States Patent Office on May 22, 1849, as Patent No. 6,469. In this invention, Lincoln proposed a method to help ships navigate shallow waters or riverbeds without getting stuck.
The invention involved a system of adjustable bellows or air chambers attached to the sides of a boat. These bellows could be inflated or deflated, enabling the vessel to float higher in the water and pass over shoals or shallow areas with reduced draft. Lincoln's design aimed to improve navigation in rivers and other bodies of water with varying depths.
It's important to note that Lincoln's invention was never put into practical use, and he did not pursue commercial development or implementation of the patented idea. Instead, Lincoln remained focused on his legal and political career, eventually becoming the 16th President of the United States.
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