FLEXBOOK
Printed educational and research materials, namely, course materials, personalized course materials, and test forms all…
Owned by: CK-12 Foundation
Serial Number: 77264124
FLEXBOOK PLATFORM
Filed: August 24, 2007
Educational software used in conjunction with textbooks based on curriculum standards and pedagogical outcomes featuring…
Owned by: CK-12 Foundation
Serial Number: 77264139
FLEXBOOK PLATFORM
Filed: July 15, 2009
Providing a website featuring on-line non-downloadable software that enables users to search and customize course materials…
Owned by: CK-12 Foundation
Serial Number: 77781784
FLEXMATH
Filed: June 14, 2013
Providing a website featuring online non-downloadable software tools for math related learning that enables users to practice…
Owned by: CK-12 Foundation
Serial Number: 85960517
BRAINGENIE
Filed: October 11, 2013
Providing a website featuring online non-downloadable software tools for math related learning that enable users to practice…
Owned by: CK-12 Foundation
Serial Number: 86088957
FLEXBOOK
Filed: March 14, 2017
Computer application software for mobile phones and tablets, namely, software for use by teachers and students to view,…
Owned by: CK-12 Foundation
Serial Number: 87370681
FLEXLET
Filed: May 20, 2020
Downloadable educational course materials in the fields of math and science
Owned by: CK-12 Foundation
Serial Number: 88925058
FLEXBOOKS
Filed: April 14, 2022
Downloadable computer application software for mobile phones and tablets, namely, software for use by teachers and students…
Owned by: CK-12 Foundation
Serial Number: 97363365
FLEXLETS
Filed: April 14, 2022
Downloadable educational course materials in the fields of math and science
Owned by: CK-12 Foundation
Serial Number: 97363646
