About: http://webisa.webdatacommons.org/255743407

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	Actually patents began toward the end of the medieval era in the 1400s I think ... and the Greeks even had a form of them 2500 years ago.
http://www.w3.org/ns/prov#wasQuotedFrom	sunnimaravillosa.com