U.S. federal trademark · Serial No. 73156505 · Reg. No. 1100103
WORKBOOKS FOR USE IN ASSOCIATION WITH EDUCATIONAL TEACHING MACHINES
PRE-RECORDED TAPE CASSETTES AND INSTRUCTIONAL FILMSTRIPS FOR USE IN ASSOCIATION WITH EDUCATIONAL TEACHING MACHINES
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.