PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIELD OF THE INVENTIONThis invention relates generally to pipes used for smoking tobacco, and relates more particularly to a pipe made from a flat sheet of material that can be folded into a functional shape.BACKGROUND OF THE INVENTIONA typical smoking pipe has a bowl joined to a stem.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com