About: http://webisa.webdatacommons.org/12717723

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	product that Parker developed was a sound system used in early ???talkie??? movie
http://www.w3.org/ns/prov#wasQuotedFrom	radioworld.com