This Day, That Year – March 27
Harvey Kennedy patented the modern shoelace with an aglet on this day in 1790. Did you know that: • Joseph Couch patented the steam-powered percussion rock drill on this day in 1849• Abraham Gesner, a Canadian geologist, patented kerosene on this day in 1855• M. L. Byrn patented the “covered gimlet screw with a ‘T’ […]
