DH

Derrick Higgins

ES Educational Testing Service: 1 patents #12 of 33Top 40%
Overall (2017): #442,023 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9704413 Non-scorable response filters for speech scoring systems Su-Youn Yoon, Klaus Zechner, Shasha Xie, Je Hun Jeon, Keelan Evanini +2 more 2017-07-11