http://www.freshpatents.com/Books-strips-and-leaves-for-manifolding-dtnewntc462.php USPTO Class 462 - Books, strips, and leaves for manifolding en-us Thu, 3 Apr 2008 13:33:49 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Slot-machine-and-playing-method-thereof-dt20080327ptan20080076494.php Thu, 3 Apr 2008 13:33:49 -0800 A slot machine of the present invention includes: a display having a screen capable of displaying a symbol arrangement image in which a plurality of symbols are arranged and a valid area image having a shape capable of including one or more of the symbols; and a controller in communication...