Inventor
LEWIS ROBYN L
US4 patents
Patents
4 patentsUS8753200B1Jun 17, 2014
Evaluation and rectification system
PEARSON EDUCATION INC27 citations87
US9189968B2Nov 17, 2015
Network-probability recommendation system
PEARSON EDUCATION INC8 citations80
US9672470B2Jun 6, 2017
Network-probability recommendation system
PEARSON EDUCATION INC0 citations48
US8932122B2Jan 13, 2015
Evaluation and rectification system
PEARSON EDUCATION INC0 citations47