Patents by Inventor Mary Dong

Mary Dong 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).

  • Cigarette lighter adapter power supply device
    Patent number: D611417
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: March 9, 2010
    Inventor: Mary Dong
  • Power supply device
    Patent number: D621357
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: August 10, 2010
    Assignee: Valor Communication, Inc.
    Inventor: Mary Dong
  • Travel charger
    Patent number: D650330
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: December 13, 2011
    Assignee: Valor Communication, Inc.
    Inventor: Mary Dong
  • Curved charger
    Patent number: D652802
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: January 24, 2012
    Assignee: Valor Communication, Inc.
    Inventor: Mary Dong
  • Charger
    Patent number: D665749
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: August 21, 2012
    Assignee: Valor Communication, Inc.
    Inventor: Mary Dong