Patents by Inventor April Langford

April Langford 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).

  • Dehumidifier
    Patent number: D673665
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: January 1, 2013
    Assignee: Electrolux Home Products, Inc.
    Inventors: April Langford, Martin Alexanderson