About: http://webisa.webdatacommons.org/67722729

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	The invention relates to a writing instrument such as a ballpoint pen or mechanical pencil, having plural reservoir tubes possessing different writing colors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com