CASTLE SOFTWARE, INC.
Filed: July 31, 1996
computer software, namely, student tutorial computer software for a variety of subjects and teacher testbuilder computer…
Owned by: CASTLE Software, Inc.
Serial Number: 75142651
COMPUTER ASSISTED STUDENT TUTORIAL LEARNING ENVIRONMENT
Filed: July 31, 1996
computer software, namely, student tutorial computer software for a variety of subjects and teacher testbuilder computer…
Owned by: CASTLE Software, Inc.
Serial Number: 75142652
ISCHOOLZONE
Computer and web-based software, namely student tutorial computer and web-based software for a variety of subjects and teacher…
Owned by: CASTLE Software, Inc.
Serial Number: 76272853
SCHOOL ISLAND
Educational software featuring instruction, tutoring and testing in the fields of math, science, history, social studies…
Owned by: CASTLE Software, Inc.
Serial Number: 78135571
CASTLE SOFTWARE, INC.
Filed: March 1, 2005
Educational software featuring instruction, tutoring and testing in the fields of math, science, history, social studies…
Owned by: CASTLE Software, Inc.
Serial Number: 78577946
