We'll definitely be using it. Here is the link to the patent:<p><a href="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=7,813,970.PN.&OS=PN/7,813,970&RS=PN/7,813,970" rel="nofollow">http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sec...</a>