<http://webisa.webdatacommons.org/prov/409964138>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/312142122> .
<http://webisa.webdatacommons.org/312142122>	<http://www.w3.org/ns/prov#value>	"Patent US6905450 - Clam shell container with cover and inner tray - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThe clam shell container is formed by a cover formed of cardboard, chipboard or other similar material." .
<http://webisa.webdatacommons.org/prov/412388113>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/312142122> .
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<http://webisa.webdatacommons.org/312142122>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .