Patents by Inventor Kathy L. Fennell

Kathy L. Fennell 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).

  • Locking device for windows/sliding doors
    Patent number: 4927198
    Abstract: A safety device for sliding windows or doors comprising a hydraulic cylinder assembly including a piston and piston rod wherein the piston rod is pivotally secured at its lower end and is made adjustable so that the sliding window or door may be moved from a fully closed position to variable open positions.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: May 22, 1990
    Inventors: Cheryl A. Fennell, Kathy L. Fennell