Patents by Inventor Mary Ewing

Mary Ewing 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).

  • Pendant
    Patent number: D639200
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: June 7, 2011
    Inventor: Mary Ewing
  • Squaring tool
    Patent number: D895454
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: September 8, 2020
    Inventors: Robert Ewing, Mary Ewing