Patents by Inventor Walter Nagle

Walter Nagle 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).

  • Rung-extension for ladder
    Publication number: 20070068732
    Abstract: The rung-extension consists of frame having a pair of vertically extending supports and a number of vertically spaced treads which extend between the two supports. Hooks are provided for attaching the frame to a ladder such that the upper wall of each tread is at the same level a separate rung of the ladder.
    Type: Application
    Filed: September 27, 2006
    Publication date: March 29, 2007
    Inventor: Walter Nagle