BRAILLE CARD by VALID USA, INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 07-May-1999 Serial number: 75700806
MOLECULAR BRAILLE by KARO BIO AB (Track this)
Intl: (042) Computer, scientific & legal US: 100; 101 Filing date: 18-Dec-1998 Serial number: 75608795