Patents by Inventor Birdeal Ferguson

Birdeal Ferguson 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).

  • Publication number: 20150000529
    Abstract: A central air freshener comprising an air filter, where the air filter includes a filter material to trap a plurality of air pollutants pumped from a central AC unit; a plurality of slats within the air filter, where the plurality of slats support the filter material; and an air freshener attached between at least two of the plurality of slats, where the air freshener provides a fragrance that is distributed as the central AC unit pumps air through a building. The air fresheners are exchangeable once used and to change the fragrance distributed.
    Type: Application
    Filed: July 1, 2013
    Publication date: January 1, 2015
    Inventor: Birdeal Ferguson