About: http://webisa.webdatacommons.org/35483779

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	At the lowermost portion of the retaining ring is an annular cutting edge which projects downwardly from the retaining ring when the dispenser is in the upright position.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com