Patents by Inventor Walter R. Wrobel

Walter R. Wrobel 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 and apparatus for a weather proof notification device
    Patent number: 7840021
    Abstract: A weather-proof notification device includes an enclosure having an integrally formed grille and a speaker located within and attached to the enclosure proximate the grille. The grille is configured to inhibit the entry of rainwater into the interior of the enclosure. A water-resistant or water-tight seal is provided between the speaker and the enclosure, and the speaker includes a water-repellent diaphragm, in order to prevent water from migrating from the sound chamber into the operating electrical compartment. A drain is provided on the grille to permit free drainage of water from the sound chamber.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: November 23, 2010
    Assignee: UTC Fire & Security Corporation, Inc.
    Inventors: Scott J. Greco, Walter R. Wrobel