COLORTONE INC. Trademarks
PROGRAM-MATIC SPEED LEARNING SELF-TAUGHT SOCRATES
Filed: May 3, 1962
COVER-BINDER FOR A PROGRAMMED, SELF-TEACHING AID
Owned by: COLORTONE INC.
Serial Number: 72143721
PROGRAM-MATIC SPEED LEARNING SELF-TAUGHT
Filed: July 11, 1962
AIDING OTHERS IN DRAWING UP PROGRAMMED INSTRUCTION BOOKS
Owned by: COLORTONE INC.
Serial Number: 72148796
