Matches in DBpedia 2014 for { ?s ?p <http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=4816567.PN.&OS=PN/4816567&RS=PN/4816567> . }
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