Patents by Inventor Thomas A. Dobbie, Jr.

Thomas A. Dobbie, Jr. 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).

  • Vaginal device
    Patent number: 4393871
    Abstract: A vaginal device adapted for insertion and placement in the human vaginal cavity and subsequent removal therefrom for the administration of spermicide or a variety of medications such as anti-infectives, anti-inflammatories, estrogens, progestogens, and the like. When used as a contraceptive, the vaginal device covers/blocks the cervix, soaks up and traps sperm, and slowly releases a spermicide.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: July 19, 1983
    Assignee: VLI Corporation
    Inventors: Bruce W. Vorhauer, Thomas A. Dobbie, Jr.