Patents by Inventor Virginia Hall

Virginia Hall 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).

  • Automatic purifier switch cover
    Patent number: 10385561
    Abstract: An automatic purifier switch cover comprises a protective shield configured to be used in conjunction with the Cogswell™ Toilet Air Purifier. The switch cover shields the motion detector of the Cogswell™ Toilet Air Purifier from activation when the toilet is not in use.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: August 20, 2019
    Inventors: Virginia Hall, John Shields