Patents by Inventor Leona B. Jules

Leona B. Jules 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 leveller
    Patent number: 7222695
    Abstract: A ladder leveller for mounting onto at least one stile of a hollow runged ladder includes an elongate stile extension member, a cross bar sized for mounting journalled through a hollow rung of the ladder. A locking pin extends from the cross bar, through one of an array of apertures in the extension member and cooperates with a locking bar. The locking bar is releasably mounted onto the locking pin to lock the stile extension member onto the stile.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: May 29, 2007
    Inventors: Leona B. Jules, Richard K. Whittingham