About: http://webisa.webdatacommons.org/379547389

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	C-MARK [audio and electronic equipment, including but not limited to goods such as speakers, speaker boxes, speaker enclosures, amplifiers, equalizers]
http://www.w3.org/ns/prov#wasQuotedFrom	uspto.gov