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
Joseph Engelberger Joseph Engelberger Joseph Frederick Engelberger was born on July 26, 1925, in Brooklyn, New York. He grew up in Connecticut during the Great Depression, but later returned to New York City for his college education. Engelberger received his B.S. in physics in 1946, and M.S. in Electric Engineering in 1949 from Columbia University. He worked as an engineer with Manning, Maxwell and Moore, where he met inventor George Devol at a Westport cocktail party in 1956, two years after Devol had designed and patented a rudimentary industrial robotic arm. However, Manning, Maxwell and Moore was sold and Engelberger's division was