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Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
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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)
Albert Einstein
German-born theoretical physicist (1879–1955)
Albert Einstein was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence formula E = mc2, which arises from special relativity, has been called…Source: Wikipedia (CC BY-SA)
Leo Szilard
Hungarian-American physicist and inventor (1898–1964)
Leo Szilard was a Hungarian-born physicist, biologist and inventor who made numerous important discoveries in nuclear physics and the biological sciences. He conceived the nuclear chain reaction in 1933, and patented the idea in 1936. In late 1939 he wrote the letter for Albert…Source: Wikipedia (CC BY-SA)
Einstein refrigerator
Absorption refrigerator invented in 1930
The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only a heat source to operate. It was jointly invented in 1926 by Albert Einstein and his former student Leó Szilárd, who patented…Source: Wikipedia (CC BY-SA)