Patents by Inventor Hamid Yahyapour

Hamid Yahyapour 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).

  • Display device with manually changeable characters
    Publication number: 20030085898
    Abstract: A display having character sets with segments arranged on a panel in a manner similar to digital displays. The segments are secured on the board by elastic cords or bands so they may be manually positioned to display a selected side to form a number or letter. Multiple character sets may be provided on the panel front surface as well as on the surface of an opposite panel.
    Type: Application
    Filed: November 8, 2001
    Publication date: May 8, 2003
    Inventor: Hamid Yahyapour