<http://webisa.webdatacommons.org/prov/338346391> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/422419668> . <http://webisa.webdatacommons.org/422419668> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.fr> . <http://webisa.webdatacommons.org/422419668> <http://www.w3.org/ns/prov#value> "Furthermore, upper, lower, center, ceiling, base, floor, and other such terms of spatial orientation or structures can be changed to equivalent or opposite orientations without affecting the scope of the present invention." . <http://webisa.webdatacommons.org/prov/317310978> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/422419668> . <http://webisa.webdatacommons.org/422419668> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/277780203> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/422419668> .