PY

Paul L. Yeoh

ES Educational Testing Service: 1 patents #128 of 260Top 50%
Overall (All Time): #2,800,635 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10699589 Systems and methods for determining the validity of an essay examination prompt Beata Beigman Klebanov, David Kaufer 2020-06-30