Patents by Inventor Dora Ann Valenzuela

Dora Ann Valenzuela 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).

  • Shoe lace
    Patent number: 8272110
    Abstract: The present invention is directed to an improved shoe lace comprised of a plurality of bendable support elements permanently held within a limp material at each of the two end tips by a sleeve, whereby the lace enables children, and persons with physical disabilities, to more easily tie their shoes, as well as staying tied while wearing the improved shoe laces.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: September 25, 2012
    Inventor: Dora Ann Valenzuela