Patents by Inventor Eric W. Delf

Eric W. Delf 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: 5154684
    Abstract: The apparatus comprises a base and a pull bar. A cord is attached to the ends of the pull bar, and the cord is guided over a floating pulley. The pulley is in turn connected to an energy dissipating device so that they pull on the cord lengths at the ends of the bar.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: October 13, 1992
    Inventor: Eric W. Delf