Inventor
MARGGRAFF JAMES
US11 patents
⚠️ This page may combine multiple inventors who share the name “MARGGRAFF JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEAPFROG ENTPR INC
9 patentsUS6750978B1Jun 15, 2004
Print media information system with a portable print media receiving unit assembly
LEAPFROG ENTPR INC195 citations98
US6668156B2Dec 23, 2003
Print media receiving unit including platform and print media
LEAPFROG ENTPR INC98 citations97
US6801751B1Oct 5, 2004
Interactive learning appliance
LEAPFROG ENTPR INC133 citations96
US7936339B2May 3, 2011
Method and system for invoking computer functionality by interaction with dynamically generated interface regions of a writing surface
LEAPFROG ENTPR INC279 citations93
US7853193B2Dec 14, 2010
Method and device for audibly instructing a user to interact with a function
LEAPFROG ENTPR INC20 citations92
US7557939B2Jul 7, 2009
Print media information systems and methods
LEAPFROG ENTPR INC14 citations92
US7299971B2Nov 27, 2007
Print media information systems and methods
LEAPFROG ENTPR INC20 citations92
US7831933B2Nov 9, 2010
Method and system for implementing a user interface for a device employing written graphical elements
LEAPFROG ENTPR INC21 citations89
US7453447B2Nov 18, 2008
Interactive apparatus with recording and playback capability usable with encoded writing medium
LEAPFROG ENTPR INC17 citations80