GO

Gregory Oaks

Overall (All Time): #3,095,928 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8672683 Computer-based abacus training system Steven Nelson Long, Cary David Belt, Craig Golightly, James Lisonbee, Mark H. Nelson 2014-03-18