PropertyValue
is ?:duplicate of
?:linkContext
  • Is the rate of invention declining? (xsd:string)
?:linkScore
  • 11.8612 (xsd:float)
?:mainEntity
?:name
  • Is the rate of invention declining: when patent statistics are used as the index of invention, the rate at which material culture is being invented in the United States and other industrial nations is seen to be declining for the first time since the inception of their patent systems (xsd:string)
?:toSource
  • sowiport (xsd:string)
rdf:type