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The Intellectual property of Top-Braille is protected through invention patents with a priority bearing the reference FR 96/615, dated 19th of January, 1996.
- EU #979011145 dated 17th of January, 1997
- # PCT/FR97/00096 dated, 24th of July, 1997
- # 6.159.013 dated, 12th of December, 2000