<http://webisa.webdatacommons.org/319744648> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/319744648> <http://www.w3.org/ns/prov#wasQuotedFrom> <patents.com> . <http://webisa.webdatacommons.org/prov/237413054> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/319744648> . <http://webisa.webdatacommons.org/319744648> <http://www.w3.org/ns/prov#value> "studying the disclosure, including use of equivalent functional and/or structural substitutes for elements described herein, use of equivalent functional couplings for couplings described herein, and/or use of equivalent functional steps for steps" .