Patents by Inventor Helfried Sandig

Helfried Sandig 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).

  • Patent number: 6305830
    Abstract: Lighting optics is provided for lights of vehicles, preferably motor vehicles. The lighting optics has a light-refracting lens element that is disposed in the path of rays of at least one light. The lens element has at least one aperture through which a portion of the rays of the light passes without undergoing refraction.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: October 23, 2001
    Assignee: Reitter & Schefenacker GmbH & Co.
    Inventors: Hubert Zwick, Helfried Sandig