Patents by Inventor Zdenek Nielsen

Zdenek Nielsen 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: 20070012237
    Abstract: A multidimensional pedestrian crosswalk marker is disclosed. The marker typically includes three triangular surfaces and is three dimensional. Other shapes and dimensions may also be employed. Some of the surfaces may be coupled to each other and some may be separated. The surfaces may be defined by solid or broken lines or other shapes. Varying color combinations may be employed to accentuate the effect. Words, such as STOP, may also e written on one or more surfaces.
    Type: Application
    Filed: July 16, 2005
    Publication date: January 18, 2007
    Inventor: Zdenek Nielsen