freepatentsonline.com 141 131 http://www.freepatentsonline.com/ http://www.freepatentsonline.com/images/logo.gif Free Patents Online: Horizontally supported planar surfaces http://www.freepatentsonline.com/rssfeed/rsspat108.xml USPTO Class 108 Horizontally supported planar surfaces en-us Tue, 21 May 2013 08:00:00 EDT <![CDATA[Furniture-supported retractable platform assembly]]> http://www.freepatentsonline.com/8443736.html Tue, 21 May 2013 08:00:00 EDT