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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	It is intended to include all such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof. <- Previous Patent (Tool operated combin...) | Next Patent (Key-changeable lock) ->
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com