Roller skates Roller skates Roller skates are shoes, or bindings that fit onto shoes, that are worn to enable the wearer to roll along on wheels. The first roller skate was effectively an ice skate with wheels replacing the blade. Later the "quad" style of roller skate became more popular consisting of four wheels arranged in the same configuration as a typical car. While the first reported use of roller skates was on a London stage in 1743, the first patented roller skate was introduced in 1760 by Belgian inventor John Joseph Merlin. His roller skate wasn't much more than an ice
Henry Woodward (inventor) necessary components to make the first practical electric light bulb. What is known about Woodward's discovery is that it was patented in Canada and the United States prior to a patent being granted to Edison and it is known that the patent for the Canadian discovery was purchased by Edison when he was making his original investigations and before he obtained his patent. Ricketts, Bruce. The First Electric Light Bulb Henry Woodward (inventor) Henry Woodward was a Canadian inventor and a major pioneer in the development of the incandescent lamp. On July 24, 1874, Woodward and his partner, Mathew Evans,