Patent awarded on 3rd Jan 2012. That validates the product to some extent..lets see 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=8087843.PN.&OS=PN/8087843&RS=PN/8087843