Patents by Inventor Joseph M. S. Chuk

Joseph M. S. Chuk 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).

  • Musical toy
    Patent number: D337600
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: July 20, 1993
    Assignee: Roxy Plastic Factory Limited
    Inventor: Joseph M. S. Chuk
  • Musical toy
    Patent number: D344768
    Type: Grant
    Filed: July 9, 1992
    Date of Patent: March 1, 1994
    Assignee: Roxy Plastic Factory Limited
    Inventor: Joseph M. S. Chuk
  • Toy television
    Patent number: D348291
    Type: Grant
    Filed: July 9, 1992
    Date of Patent: June 28, 1994
    Assignee: Roxy Plastic Factory Limited
    Inventor: Joseph M. S. Chuk
  • Toy clock
    Patent number: D348699
    Type: Grant
    Filed: July 9, 1992
    Date of Patent: July 12, 1994
    Assignee: Roxy Plastic Factory Limited
    Inventor: Joseph M. S. Chuk
  • Boat
    Patent number: D362652
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: September 26, 1995
    Assignee: Roxy Plastic Factory Ltd.
    Inventor: Joseph M. S. Chuk