MG

Margaret E. Grunert

LE Leapfrog Enterprises: 5 patents #10 of 105Top 10%
Overall (All Time): #1,002,055 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8952887 Interactive references to related application Michael C. Wood, Tracey Hope Jedrzejek, Richard Glenn Freeman, Mark Flowers, Eric Shuler +1 more 2015-02-10
7916124 Interactive apparatus using print media Michael C. Wood, Tracey Hope Jedrzejek, Richard Glenn Freeman, Mark Flowers, Eric Shuler +1 more 2011-03-29
7106309 Interactive apparatus using print media Michael C. Wood, Tracey Hope Jedrzejek, Richard Freeman, Mark Flowers, Eric Shuler +1 more 2006-09-12
6641401 Interactive apparatus with templates Michael C. Wood, Tracey Hope Jedrzejek, Richard Freeman, Mark Flowers, Eric Shuler +1 more 2003-11-04
6608618 Interactive apparatus using print media Michael C. Wood, Tracey Hope Jedrzejek, Richard Freeman, Mark Flowers, Eric Shuler +1 more 2003-08-19