Patents by Inventor DongMin Ahn

DongMin Ahn 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).

  • Air freshener
    Patent number: D471267
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: March 4, 2003
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: DongMin Ahn, Joo Song