Patents by Inventor Elizabeth G. Davidson

Elizabeth G. Davidson 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).

  • Facial tray
    Patent number: D252642
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: August 14, 1979
    Inventor: Elizabeth G. Davidson
  • Manicure tray
    Patent number: D252827
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: September 4, 1979
    Inventor: Elizabeth G. Davidson
  • Nail polish tray
    Patent number: D252828
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: September 4, 1979
    Inventor: Elizabeth G. Davidson