Granted Patent
Utility
US 6,608,618 · App. 09/886,401
Interactive apparatus using print media
Inventors:
Michael C. Wood, Tracey Hope Jedrzejek, Richard Freeman, Mark Flowers, Eric Shuler, Margaret E. Grunert, Jason Avery
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jun 20, 2001
Inventors
Michael C. Wood
Tracey Hope Jedrzejek
Richard Freeman
Mark Flowers
Eric Shuler
Margaret E. Grunert
Jason Avery
Assignee (at issue)
LeapFrog Enterprises, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.