Patents coloring book 1st edition by david sorkin author visit amazons david sorkin page find all the books read about the author and more see search results for this author are you an author learn about author central david sorkin author isbn 13 978 1519679116 . Coloring book for children with at least one bound or stapled set of pages characterized in that the set of pages includes a pair of background sheets each sheet having a different background motif and a common sheet arranged between the background sheets for combination with the background sheets wherein the common leaf has a foreground motif or foreground motifs that differ from the . A coloring book for children has a plurality of page sets bound or stapled wherein a page set includes a pair of background sheets each having different background design and a sharing page putted in between the background sheets and having basic designs on a front and rear surface thereof so as to be coordinated with the background designs when folded with each of the background sheets. If you responded yes to any of these questions then this throwback patent coloring book put together by the us national archives and records administration is your new best friend while the. Coloring book coloring book prior art date 2000 11 13 legal status the legal status is an assumption and is not a legal conclusion google has not performed a legal analysis and makes no representation as to the accuracy of the status listed expired fee related application number gb0213875a other versions gb0213875d0 en gb2374717a en inventor won ku lee original assignee won ku lee