Mark Identification
+ - × ÷ A B C
Serial Number
75544610
Filing Date
Aug 28, 1998
Registration Date
Oct 5, 1999
Trademark by
Classification Information
COMPUTER SOFTWARE AND COMPACT DISCS IN THE NATURE OF INTERACTIVE TUTORIAL PROGRAMS FOR STUDENTS IN ELEMENTARY, MIDDLE AND HIGH SCHOOLS IN THE FIELDS OF READING, VOCABULARY, GRAMMAR, MATHEMATICS, SCIENCE AND SOCIAL STUDIES
Electrical and Scientific Apparatus