About: http://webisa.webdatacommons.org/35366004

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 optical device of either of claim 11 or 12, wherein the optical device has a cross-sectional shape selected from the group consisting of triangles, squares, rectangles, and other polygonal shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca