About: http://webisa.webdatacommons.org/94080085

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	An alphanumeric input device, such as a keyboard or thumbboard; [0880] 2.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com