Patents by Inventor William T. Ryan

William T. Ryan 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: 5192256
    Abstract: An exercise or training apparatus employing a tether line having spaced fasteners on or adjacent its ends adapted to conveniently fasten the line across a swimming pool or other body of water to cooperating anchor devices in or adjacent to the pool, one or more coupling elements mounted on the line, and a harness integral with or adapted for attachment to the coupling elements and adapted for mounting on a swimmers body, the coupling elements providing for selective positioning of one or more swimmers along the line.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: March 9, 1993
    Inventor: William T. Ryan