http://www.freshpatents.com/Unearthing-plants-or-buried-objects-dtnewntc171.php USPTO Class 171 - Unearthing plants or buried objects en-us Mon, 7 Nov 2011 13:32:44 -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/-dt20111103ptan20110266012.php Mon, 7 Nov 2011 13:32:44 -0800 A beach cleaner 50 comprising a frame 53 constructed by longitudinal members and lateral members, a ski member that is secured to the front portion of the frame 53 and comes into contact with a sand surface GL, a towed portion to be towed by a towing vehicle, a separating...