About: http://webisa.webdatacommons.org/110984142

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 apparatus as set forth in claim 4 wherein said switches are electrically connected in parallel whereby said device has the same feel whether operated in a mouse or in a trackball mode.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com