Patents by Inventor Jimmie E. Warthan

Jimmie E. Warthan 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).

  • Four blade medical retractor
    Patent number: 5667481
    Abstract: A four blade medical retractor for holding open a body or surgical cavity. A first blade is fixedly mounted to the first leg of an L-shaped frame. A second blade is slidably mounted to the second leg of the frame and includes a spring biased pawl to control motion of the second blade relative to the first blade. A third blade is slidably mounted to the first leg and also includes a pawl to control motion of the third blade along the first leg. A carrier mounted to the second leg holds a fourth blade which is movable both along the length of the second leg and also to and from the third blade.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: September 16, 1997
    Inventors: Josue J. Villalta, Jean Robert Passemard, Jimmie E. Warthan, Jeffrey L. Beaver