<http://webisa.webdatacommons.org/244014065>	<http://www.w3.org/ns/prov#value>	"Patent US6819505 - Internally reflective ellipsoidal collector with projection lens - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThe present invention is directed to an optical lens for capturing, homogenizing and transmitting substantially all of the light emitted by a light source, such as a light emitting diode." .
<http://webisa.webdatacommons.org/244014065>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/156183207>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/244014065> .
<http://webisa.webdatacommons.org/244014065>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .