About: http://webisa.webdatacommons.org/147592219

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 configuration of the activation buttons 390 may resemble the buttons and controls of standard I/O devices such as a mouse, a trackball, a track-pad oran ergonomically designed or hand held I/O device.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com