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 C. Krejci engineering from the University of Texas. He was a chemical engineering associate and manager of pyrolysis at the Phillips Carbon Black Research facility in Borger. He retired in 1971 following 34 years of service. Krejci was the inventor of 31 patents in the carbon black field, many of these were also being patented outside the United States. He revolutionized the manufacture of carbon black. Joseph C. Krejci Joseph C. Krejci (Dec. 19, 1910 - Aug. 23, 1991) was a chemical engineering associate and manager of the Pyrolysis section at the Phillips Carbon Black Research facility in Borger, Texas. He is