Patents by Inventor Stephen I. Block

Stephen I. Block 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).

  • Exercise device
    Patent number: 5141223
    Abstract: An exercise device includes an elastic cord having a handle at one end which can be grasped by the user. The opposite end of the cord includes a fastener for attachment to a belt or other device worn at the waist of the user. Alternatively, the cord is attached to a belt especially designed for use with the cord.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: August 25, 1992
    Assignee: Spri Products, Inc.
    Inventor: Stephen I. Block