CINCILINGUA by Cincilingua, Inc. (Track this)
Intl: (041) Education and entertainment US: 107 Filing date: 06-Nov-1980 Serial number: 73284951
INLINGUA by INLINGUA INTERNATIONAL LTD. (Track this)
Intl: (009) Electrical and scientific apparatus; (009) Electrical and scientific apparatus; (041) Education and entertainment US: 036; 038; 107 Filing date: 04-Dec-1969 Serial number: 72345344