Patents by Inventor Stefan Tolna

Stefan Tolna 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).

  • Wind resistant sign
    Publication number: 20050076552
    Abstract: A display device and method of assembling the same is provided having a support structure and first and second support members. The support structure generally includes a plurality of legs and a cross bar. Each support member generally includes a staff portion and a spring element for biasing the staff portion in an upright position. The display device further includes a corrugated display card having a plurality of vertical channels therein for engaging the staff portions of the support members.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 14, 2005
    Inventors: Stefan Tolna, David Hillstrom