About: http://webisa.webdatacommons.org/208908201

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	This patent is the earliest American patent for a geared drill, although the patent specification says that it consists of improvements to designs that have heretofore been employed.
http://www.w3.org/ns/prov#wasQuotedFrom	datamp.org