About: http://webisa.webdatacommons.org/114060454

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. 468,532, filed June 30, 1965, now U. S. Pat. No. 3,474,919 dated Oct. 28, 1969, which in turn is a continuation of Ser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au