<http://webisa.webdatacommons.org/224454688>	<http://www.w3.org/ns/prov#value>	"While ???USG??? is the preferred indicator 60, it is contemplated that any marking symbol, including shapes, letters, numbers or combinations of the above can be used." .
<http://webisa.webdatacommons.org/prov/162161580>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/224454688> .
<http://webisa.webdatacommons.org/224454688>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/224454688>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .