Frankly, this one patent is worth a lot of money. This is the magic by which Looker casts out duplicate records in joins. http://patft.uspto.gov/netacgi/nph-Pa

Frankly, this one patent is worth a lot of money. This is the magic by which Looker casts out duplicate records in joins. 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=%22tabb,+lloyd%22.INNM.&OS=IN/%22tabb,+lloyd%22&RS=IN/%22tabb,+lloyd%22 http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H...