Patents by Inventor Gerhard M. Diekemper

Gerhard M. Diekemper 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-foldable ladder device
    Patent number: 6340071
    Abstract: A rung-foldable ladder device for attaching to an upright structure for climbing thereupon. The rung-foldable ladder device includes an elongate tubular support member; and also includes a plurality of bracket members being securely attached to the elongate tubular support member and being adapted to removably fasten with straps about an upright structure; and further includes a plurality of rung members being pivotally attached to the elongate tubular support member; and also includes a cable being attached to the rung members for pivoting the rung members against the elongate tubular support member.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: January 22, 2002
    Inventor: Gerhard M. Diekemper