Tag: George Nissen

This Day, That Year – March 6

Zoya Siddiqui   Sun 06 Mar 2022    

George Nissen received a patent for the first modern trampoline on this day in 1945. Did you know that:• Joseph Jenkes was granted the first patent for making scythes on this day in 1646• Dmitri Mendeleev presented the first periodic […]

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