Patents by Inventor Darlene S. Duncan

Darlene S. Duncan 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: 5746603
    Abstract: A narcotics flash card including a card which is folded in half so as to present to the user, at least initially, a photographic image of the drug through an opening in the upper portion of the card, and a three-dimensional textured surface simulating the feel of the drug on the upper portion of the card. Upon opening of the card, a wealth of information is provided concerning a particular illegal drug by which an individual may be taught and tested on the name and properties of a particular drug based upon a viewing of a small fraction of a photograph of the illegal drug through the opening in the upper portion of the card and feeling a textured surface which simulates the actual drug. Upon opening of the flash card, the individual's suspicions as to the name and properties of the particular illegal drug will be confirmed and additional information provided or an explanation will be provided to the individual as to what the individual should have known about a particular drug.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: May 5, 1998
    Inventors: Kenneth C. Foster, Darlene S. Duncan