Patents by Inventor Ralph E. Wehmer

Ralph E. Wehmer 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: 4474182
    Abstract: The present invention relates to a Surgical Stoma Tool and methods of making and using the same wherein an elongated circular cylindrical element which is provided at one end thereof with a spherical surface and a handle on the other end with an annular stop ring proximate the spherical surface.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: October 2, 1984
    Inventors: Herman Rea, Ralph E. Wehmer