<http://webisa.webdatacommons.org/103676851>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/281379518>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/103676851> .
<http://webisa.webdatacommons.org/103676851>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/103676851>	<http://www.w3.org/ns/prov#value>	"In an alternative embodiment each pillow 70 is pumped to a slight over-pressure and/or each pillow 70 is filled with a gas other than air or with a liquid." .