Patents by Inventor Henry Teidemann

Henry Teidemann 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: 6453523
    Abstract: The present invention relates to an apparatus for securing a stepladder comprising in combination a clamp comprising two opposite walls formed of a substantially rigid material, said walls being arranged and constructed such that said walls are adapted to fixedly secure an article therebetween; and a retaining ledge with two ends, one said end is continuous with one said opposite wall of said clamp and the second end being parallel and adjacent to said opposite wall of said clamp, wherein said parallel and adjacent end is positioned with relation to the continous end to form an ledge for insertion, retention and retraction of the siding of a stepladder.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 24, 2002
    Inventor: Henry Teidemann