Patents by Inventor Herbert J. Heidenfelder

Herbert J. Heidenfelder 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: 4840188
    Abstract: A condom for use by a male human comprising a phallic-shaped elastic sheath having a closed end and, on the inside surface of said closed end, a local coating adapted for delaying ejaculation by said male during sexual intercourse. The essential ingredient of the local coating may be a local anesthetic. The condom may include a color-coded bump indicating on which side of the sheath the coating is located.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: June 20, 1989
    Inventor: Herbert J. Heidenfelder