About: http://webisa.webdatacommons.org/211972374

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	BACKGROUND OF THE INVENTIONThe invention relates to apparatus for use in washing automobile windshields, and more particularly to apparatus used in and around the service islands of gas stations.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com