74389248
May 11, 1993
Dec 20, 1994
Active Trademark
[periodical publication, electronically recorded on compact discs, featuring an index relating to a system of classifying the field of human knowledge]
Electrical and Scientific Apparatusperiodical publication; namely, an index relating to a system of classifying the field of human knowledge
Paper Goods and Printed Matterdevelopment and dissemination of educational materials in the use of a classification system by libraries
Education and Entertainment