Mark Identification

PBS VIDEODISC

Serial Number

74377359

Filing Date

Apr 7, 1993

Registration Date

Mar 14, 1995

Trademark by

PUBLIC BROADCASTING SERVICE

Classification Information

prerecorded laser discs featuring topics taught in the classroom

Electrical and Scientific Apparatus

printed resource guide containing barcode references, books, indices, lesson plans, newsletters, posters, reading lists and source lists, student handouts and survey cards

Paper Goods and Printed Matter