About: http://webisa.webdatacommons.org/155769459

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 backpad and side rails may be formed from any padding material capable of providing support to the body, such as foam or they may comprise inflatable bladders.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com