Patents by Inventor Nick Martin Kerber

Nick Martin Kerber 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).

  • Warning line stand
    Patent number: 5931424
    Abstract: A one-piece warning line stand that easily changes between a compact folded position and an opened position with a simple sliding motion, locks in the opened position, and has a tilted post that holds a warning line in a vertical plane outside the footprint of the stand.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: August 3, 1999
    Inventor: Nick Martin Kerber