About: http://webisa.webdatacommons.org/293609073

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	In prior art devices such as the device shown in the '063 patent, the downward extension of all three beverage receptacles greatly limits the angular positioning of the food and beverage tray upon a typical armrest.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk