US Market’ Sandton Chronicle, July 21, 1991 ‘Young Inventor redesign the skateboard’ New York Times, Feb 22 1992 ‘For Skateboard Fans, A New Way to Travel’ by Barbara Lloyd https://www.nytimes.com/1992/02/22/news/for-skateboard-fans-a-new-way-to-travel.html Human-powered vehicles Skateboarding equipment Vehicles introduced in 1989