Ray, Here's a link for you to review, nothing new since March 2006. <A HREF="http://portal.uspto.gov/external/portal/!ut/p/_s.7_0_A/7_0_CH/.cmd/ad/.ar/sa.getBib/.ps/N/.c/6_0_69/.ce/7_0_3AB/.p/5_0_341/.d/3" target="_blank">http://portal.uspto.gov/external/portal/!ut/p/_s.7_0_A/7_0_CH/.cmd/ad/.ar/sa.getBib/.ps/N/.c/6_0_69/...</A>