Patents by Inventor Mark Aster Walker

Mark Aster Walker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080060730
    Abstract: A wallet for the visually impaired comprised of a top side edge, opposed bottom side edge, and first and second lateral side edges, the four side edges enclosing first and second sides of the wallet. A series of compartments are located on the first side of the wallet. Four compartments store dollar bills in denominations of one (1), five (5), ten (10), and twenty (20) dollars, and three compartments located below the four compartments store credit cards, identifications cards, and the like. Tactile indicia are located on a visible portion of the four compartments. The indicia denote which of the four denominations of dollar bills are to be stored in each compartment.
    Type: Application
    Filed: September 11, 2006
    Publication date: March 13, 2008
    Inventors: James Young, Mark Aster Walker