Patents by Inventor Chin-Der Ko

Chin-Der Ko 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 case
    Patent number: D474889
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: May 27, 2003
    Assignee: Mei Kuai Cosmetics Co., Ltd.
    Inventor: Chin-Der Ko
  • Cosmetic case
    Patent number: D476809
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: July 8, 2003
    Assignee: Mei Kuai Cosmetics Co., Ltd.
    Inventor: Chin-Der Ko
  • Beauty case
    Patent number: D358708
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: May 30, 1995
    Assignee: Mei Kuai Cosmetics Co., Ltd.
    Inventor: Chin-Der Ko
  • Beauty case
    Patent number: D432309
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: October 24, 2000
    Inventors: Cheng-Li Tsai, Chin-Der Ko