{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/280940864"
      "properties" : {
        "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 of claim 13, further comprising: a computer having an input receiving a signal from said sensor indicative of said period of oscillation of said torsional weight, said computer including programming for converting said signal into an indice of the stiffness of the golf club shaft. 15." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "freepatentsonline.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/462808216"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/280940864"] } } }
