Countryboy, here's the actual link. Your tinyurl link opened for me, but here's where it takes you. <a href="http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=1&p=1&f=G&l=50&d=PTXT&S1=6138239.PN.&OS=PN/6138239&RS=PN/6138239" target="_blank">http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=1&p=1&f=G&l=50&d=PTXT&S1=6138239.PN.&OS=PN/6138239&RS=PN/6138239</a>