Patents by Inventor Lisa D. Dereszynski

Lisa D. Dereszynski 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).

  • Weighted flexible exercise device
    Patent number: 6224517
    Abstract: A weighted flexible exercise device made of a flexible material in an I shape containing a fluid or particulate weight, such device being generally loose and flexible for performing a variety of exercises utilizing its shape as providing both grasping areas and areas which frictionally catch and interact with the user's body.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: May 1, 2001
    Inventor: Lisa D. Dereszynski