Patents by Inventor Ho-Choi Chan

Ho-Choi Chan 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).

  • Toy spy sleeve
    Patent number: D604778
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: November 24, 2009
    Assignee: Eastcolight (Hong Kong) Limited
    Inventor: Ho-Choi Chan
  • Toy radio
    Patent number: D604779
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: November 24, 2009
    Assignee: Eastcolight (Hong Kong) Limited
    Inventor: Ho-Choi Chan
  • Chair
    Patent number: D429575
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: August 22, 2000
    Assignee: Grow'N Up Ltd.
    Inventors: Wai Shing Sze, Ho Choi Chan