Patents by Inventor Edward Castellanos

Edward Castellanos 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).

  • Elastic resistance exerciser secured at the waist
    Patent number: 5129647
    Abstract: The present invention is an elastic resistance exerciser having at least one elastic resistance element secured at the abdomen, preferably at the waist; and most preferably at the sides at the waist. The elastic resistance element comprises two ends between which the elements can be stretched. A first end of the elastic resistance element is secured at the abdomen, preferably at least one side, and more preferably at the waist. A second end of the elastic resistance element can be secured or held at the extremity of a limb. The present invention also includes methods of using the exerciser.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: July 14, 1992
    Inventor: Edward Castellanos
  • Isometric exerciser
    Patent number: D346632
    Type: Grant
    Filed: July 15, 1991
    Date of Patent: May 3, 1994
    Inventor: Edward Castellanos