Interesting Fact about Patents - In 1887, John Boyd Dunlop invented and patented a pneumatic tire for use on his son's tricycle

In 1887, John Boyd Dunlop invented and patented a pneumatic tire for use on his son’s tricycle. However, in 1891, Dunlop’s patent invalidated in favor of the earlier patent filed by Robert William Thomson.

Patentyogi-In-1887-John-Boyd-Dunlop-invented-and-patented-a-pneumatic-tire-for-use-on-his-son's-tricycle

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