About: http://webisa.webdatacommons.org/453223341

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	FIELD OF THE INVENTIONThe invention relates to optical articles, particularly articles which exhibit effects attributable to the polarization of electromagnetic radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com