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1844 (dec 1, 1844 – apr 1, 1845)

Description:

Charles Goodyear obtained a patent to develop a method to treat rubber to make it stronger. This was a continuity because inventors were already working on a way to advance the economy.

Added to timeline:

30 Dec 2019
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241

Date:

dec 1, 1844
apr 1, 1845
~ 4 months