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United States Patent 7, 058, 628, granted to Lawrence Page, which incorporates material from two earlier patents relating to the PageRank system used by Google. http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7,058,628.PN.&OS=PN/7,058,628&RS=PN/7,058,628 |
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