Assertion: roller skate | /r/HasProperty | designed in new york city
Facets:
value: by james leonard plimpton
type: OTHER
Source sentences:
text: 1863: The four-wheeled turning roller skate, or quad skate , with four wheels set in two side-by-side pairs (front and rear), was first designed, in New York City by James Leonard Plimpton in an attempt to improve upon previous designs.