About: http://webisa.webdatacommons.org/235555797

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	In column 5 of that patent, commencing in line 3, the patentee considers the types of materials from which his marker can be constructed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es