<http://webisa.webdatacommons.org/12276721>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/12276721>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/308151170>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12276721> .
<http://webisa.webdatacommons.org/12276721>	<http://www.w3.org/ns/prov#value>	"In accordance with the presently preferred method and apparatus of the present invention, a diffractive optical assembly is illuminated by a light source, which may for example be an incandescent bulb or a laser." .
<http://webisa.webdatacommons.org/prov/164735691>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/12276721> .