Inventor

FREMPONG DEREK K

US3 patents

Patents

3 patents

US10235511B2Mar 19, 2019

Authentication integrity protection

PEARSON EDUCATION INC2 citations68

US10109215B2Oct 23, 2018

Academic integrity protection

PEARSON EDUCATION INC4 citations59

US10693874B2Jun 23, 2020

Authentication integrity protection

PEARSON EDUCATION INC0 citations36