Patents by Inventor Virgil M. Dunston

Virgil M. Dunston 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: 4060240
    Abstract: This portable exerciser device includes a cross strap with enlarged end portions, a central portion of the cross strap may be stood on or disposed between a door and its adjacent, supporting post. The enlarged end portions will prevent sliding movement of the cross strap by engagement of such enlarged end portions with the outside edges of the shoes of the party standing on the central cross strap portion or engagement thereof by the juncture between the door and its adjacent, supporting post. A pulley is connected with the central portion of the cross strap. A cord is connected with a first handle-stirrup, thence reeved about the pulley and thence connected with a cord connector and at a location intermediate the length of the cord. The cord connector is connected with a second handle-stirrup.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: November 29, 1977
    Inventor: Virgil M. Dunston