US Patent 7793834 Financial transaction card with non-embossed, raised indicia

A financial transaction card has a first major surface on one side and a second major surface on an opposite side. A first set of raised indicia projects outwardly from the first major surface. A second set of raised indicia projects outwardly from the second major surface and is directly contralateral with the first set of raised indicia. The second major surface is devoid of any indication of the first set of raised indicia and the first major surface is devoid of any indication of the second set of raised indicia. Each indicium denotes an alphabetic letter or a number and in one embodiment is a Braille character.