Patents by Inventor Lawrence P. Blinn

Lawrence P. Blinn 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).

  • Method of using a condom with distal aperture
    Patent number: 5640973
    Abstract: A condom that includes a small hole in the distal or far end to permit semen to pass out of the interior of the condom. The condom may be used by couples wishing to conceive a child but who want to reduce the risk that a disease or virus, etc. will be passed from one person to the other. A second embodiment includes a removable cover over the distal opening to reduce the time during which the hole is uncovered. A cord attached to the cover can be pulled to remove the cover from the distal hole immediately before ejaculation.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: June 24, 1997
    Inventor: Lawrence P. Blinn