General Knowledge - Inventions - Discussion
Discussion Forum : Inventions - Section 1 (Q.No. 40)
40.
Who is the only U.S. President to invent and patent something?
Answer: Option
Explanation:
In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.
Discussion:
1 comments Page 1 of 1.
Sailaja said:
7 years ago
Why not Thomas Jefferson?
He also invented swivel chair, cider wheel.
He also invented swivel chair, cider wheel.
(2)
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