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How many U.S. presidents have been granted patents?

Question #149743. Asked by psnz.
Last updated Sep 02 2023.
Originally posted Sep 02 2023 8:11 PM.

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BigTriviaDawg star
Answer has 2 votes
BigTriviaDawg star
6 year member
785 replies avatar

Answer has 2 votes.
Surprisingly, only one US president so far has filed a patent, and that is Abraham Lincoln.
President Abraham Lincoln. On May 22, 1849, Lincoln was granted U.S. Patent No. 6,469 for a device designed to lift boats over shoals.

link https://www.invent.org/blog/innovation-display/nihf-museum-history-room-presidents-patents
Response last updated by BigTriviaDawg on Sep 02 2023.
Sep 02 2023, 8:13 PM
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