About: http://webisa.webdatacommons.org/174133898

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The present invention is a method and apparatus to restrain the pivotal rear wheel unit from turning with the trailer at an intersection until a preset angle is reached.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com