L. Marggraff

LELeapfrog Enterprises: 2 patents #35 of 105Top 35%

Lafayette, CA: #267 of 569 inventorsTop 50%

California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,164,123 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7120385	Write on interactive apparatus and method	—	2006-10-10
6985139	Interactive apparatus using print media	Mark Flowers	2006-01-10