Patents by Inventor Hak R. Joo

Hak R. Joo 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).

  • Cosmetic container
    Patent number: D337272
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: July 13, 1993
    Assignee: Pacific Chemical Co., Ltd.
    Inventor: Hak R. Joo
  • Cosmetic container
    Patent number: D342901
    Type: Grant
    Filed: June 11, 1991
    Date of Patent: January 4, 1994
    Assignee: Pacific Chemical Co., Ltd.
    Inventor: Hak R. Joo