Patents by Inventor Douglas J. Laven

Douglas J. Laven 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: 4836823
    Abstract: A novelty item having a heart shaped housing with a translucent window formed therein. The housing has two conductors formed on the exterior thereof. When the housing is held in a person's hand, a conductive path is formed between the two conductors, and one or more LEDs on the interior of the housing begin to flash on and off in symbolic representation of a beating heart. The flashing of the LEDs can be perceived through the translucent window. A stand can be provided to support the housing in a substantially upright position.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: June 6, 1989
    Inventor: Douglas J. Laven