About: http://webisa.webdatacommons.org/375761634

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 invention disclosed in this application is based upon and is an improvement upon the filtering and holding device disclosed in PCT/US92/11311.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com