. . . " Nov 2006Leapfrog Enterprises, Inc.Print media receiving unit including platform and print mediaUS721713512 Jan 200415 May 2007Tinkers & ChanceElectronic educational toy having a contact-sensitive display screenUS729997122 Apr 200427 Nov 2007Leapfrog Enterprises, Inc.Print media information systems and methodsUS745011315 Dec 200511 Nov 2008Synaptics IncorporatedObject position detector with edge m" .