About: http://webisa.webdatacommons.org/21666039

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 body 12 and the blocks 18 and 20 may be individually made from wood or other suitable material, though it is foreseeable that the body 12 and blocks 18 and 20 could be molded to have a unibody construction from various materials.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com