DA

Derrick Andries

Overall (All Time): #3,664,743 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5972101 Chipable mineral composition for an excavation toy including a buried object Michael Korniat, Michael Murphy, Liberato Bertone, Kevin Louis Conlin 1999-10-26