Who is the only U.S. President to invent and patent something?

  • A. Thomas Jefferson
  • B. Hayes
  • C. Rutherford B. Hayes
  • D. Abraham Lincoln

Correct Answer: D. Abraham Lincoln

Abraham Lincoln’s patent relates to an invention to lift boats over shoals and obstructions in a river. It is the only United States patent ever registered to a President of the United States.

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