Patents by Inventor Mary Margaret Armstrong

Mary Margaret Armstrong 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).

  • Spat
    Patent number: D660556
    Type: Grant
    Filed: October 10, 2011
    Date of Patent: May 29, 2012
    Inventors: Mary Margaret Armstrong, Amanda Margaret Gonzales
  • Spat
    Patent number: D668025
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: October 2, 2012
    Inventors: Mary Margaret Armstrong, Amanda Margaret Gonzales