About: http://webisa.webdatacommons.org/289950427

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	Structure as in claim 11 wherein said groove is such as to hold said tab directly against an edge of said tray. 13.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com