Patents by Inventor Donna L. Cousins

Donna L. Cousins 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: 8042653
    Abstract: An adjustable work platform includes a first ladder section and a second ladder section, each of which is adjustable in height. The platform includes a deck assembly adjustable in length supported by the first and second ladder sections. The deck assembly includes a first deck half and a second deck half that slide relative to each other and fit together. A method for using an adjustable work platform including the steps of extending the height of a first ladder section and a second ladder section. There is the step of sliding a first deck half relative to a second-half that fit together of a deck assembly to a desired length. The deck assembly supported by the first and second ladder sections.
    Type: Grant
    Filed: February 2, 2005
    Date of Patent: October 25, 2011
    Assignee: Werner Co.
    Inventors: James J. Grebinoski, Donna L. Cousins