Roller skates the benefits they list include: 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
John Joseph Merlin of such efforts, writing of a visit to Cox's Museum in 1772: By 1773 Merlin was also actively designing and making keyboard instruments. He was granted patent (No. 1081) on September 12, 1774, for a pianoforte stop that could be fitted to a harpsichord. Between 1773 and early 1782, instruments were made to his designs at a workshop at 7 Gresse Street, supervised by Louis Lavigne Verel. One of the combined harpsichord-pianofortes that Merlin manufactured may have been owned by Empress Catherine the Great. A harpsichord-piano from 1779 is in the collection of the Museum of Fine Arts, Boston, and