It looks like there’s a second patent with the same title: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fs

It looks like there’s a second patent with the same title: 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=8131571.PN.&OS=PN/8131571&RS=PN/8131571 http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sec...