About: http://webisa.webdatacommons.org/291563392

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	No. 506,674, filed Apr. 9, 1990, now abandoned which in turn is a continuation of Ser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com