Patents by Inventor Mary Arnold

Mary Arnold 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).

  • Upright vacuum cleaner
    Patent number: D299175
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: December 27, 1988
    Assignee: The Scott Fetzer Company
    Inventors: Susan K. Nimon, William E. Bartasevich, Edgar F. Trombley, Mary Arnold, Nancy Perkins