About: http://webisa.webdatacommons.org/159356611

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	The devices disclosed by Levy and Dahl are suitable for retaining and displaying rings, but no other types of jewelry.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com