About: http://webisa.webdatacommons.org/157044087

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	According to an exemplary embodiment of the present invention, shell 512 and backbone 516 can be formed or molded from a polymer material, although metal and other suitably rigid materials can also be utilized.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com