About: http://webisa.webdatacommons.org/4439436

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	U.S. Pat. No. 4,970,918 discloses an adjustable tool for manipulating a fastening device such as a bolt or screw.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com