About: http://webisa.webdatacommons.org/311171520

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	This invention relates to support systems such as mattresses, cushions and the like, characterized by having a liquid within them, as, for example in waterbeds.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com