CK12 Foundation Trademarks
FLEXI
Filed: October 28, 2020
Educational services, namely, providing on-line platform and tools to deliver curriculum and personalized learning in the…
Owned by: CK12 Foundation
Serial Number: 90283457
FLEXCARD
Filed: November 1, 2021
providing online, non-downloadable educational publications in the nature of learning cards in the fields of science, math…
Owned by: CK12 Foundation
Serial Number: 97101940
