AH

Andrew Hartzell

LE Leapfrog Enterprises: 1 patents #61 of 105Top 60%
Overall (All Time): #3,490,500 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6793129 Study aid apparatus and method of using study aid apparatus Michael C. Wood, Kelly Ann Chapman, Christa McClintock, Ann Earp, Matthew Fishbach 2004-09-21