WS

Warren Sack

ES Educational Testing Service: 1 patents #128 of 260Top 50%
Overall (All Time): #3,837,060 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5259766 Method and system for interactive computer science testing, anaylsis and feedback Randy E. Bennett 1993-11-09