Patents by Inventor Charles D. Litvin

Charles D. Litvin 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).

  • BOX FAN GRILL WITH INTEGRAL MOTOR SUPPORT
    Publication number: 20080089798
    Abstract: A box fan with a motor and impeller that is supported by a polymer grill is provided. The device may include a metal body and at least one polymer grill, a motor and an axial air impeller. The motor being structurally supported by the polymer grill.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 17, 2008
    Applicant: Lasko Holdings, Inc.
    Inventor: Charles D. Litvin