On December 9, 1884, L. M. Richardson patented roller skates with ball bearings.
This allowed skaters to gain speed with less efforts. This invention transformed the roller skate from a novelty item to an everyday item, effectively launching the era of mass production of roller skates.
Patent Information
Publication number: US308990 A
Patent Title: Roller-skate
Publication type: Grant
Publication date: 9 Dec 1884
