About: http://webisa.webdatacommons.org/159426087

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 is a modification of the osmotically driven active agent dispenser disclosed in U.S. Pat. No. 3,916,899.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es