About: http://webisa.webdatacommons.org/354168591

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. 848,527, filed Nov. 3, 1977, now /issued as U.S. Pat. No. 4,158,236, which in turn is a Continuation-In-Part of Ser.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca