About: http://webisa.webdatacommons.org/19459552

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. 505,988, filed on Sept. 16, 1974, now U.S. Pat. No. 3,925,276 which, in turn is a continuation-in-part of copending application Ser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com