<http://webisa.webdatacommons.org/185465812>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/292035075>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/185465812> .
<http://webisa.webdatacommons.org/185465812>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freshpatents.com> .
<http://webisa.webdatacommons.org/185465812>	<http://www.w3.org/ns/prov#value>	"It is also an object of this invention to design a bridge structure completely out of metal and other flexible materials which can yield and then return to their original position without cracking or becoming permanently deformed." .