Patents by Inventor Paul E. Kliewer

Paul E. Kliewer 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).

  • Retractable jump rope
    Patent number: 5190508
    Abstract: The jump rope which is disclosed includes a spiral cord which is extendable from a relatively short to a relatively long length by centrifugal force when swung. In its short form, the spiral cord is stored in tubular handles affixed to ends of the cord and fixable to each other. The handles are disconnectable from each other to release the spiral cord, and are manipulated to swing the cord to extend the cord for jumping rope.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: March 2, 1993
    Inventors: Paul E. Kliewer, Barbara A. Kliewer