Patents by Inventor Charlos Schmidt

Charlos Schmidt 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).

  • Ladder
    Publication number: 20140262617
    Abstract: A free-standing ladder includes a pair of rails connected to one another by rungs or steps. A ladder foot is located on at least a first end of each rail. The ladder may be erected in such a way that it bears on the ground with a contact area of the ladder feet.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: HAILO-WERK RUDOLF LOH GMBH & CO. KG
    Inventors: Gerhard Mülller, Rudolf Pfeifer, Gerd Weinhold, Charlos Schmidt