Patents Assigned to Inter-Oriental Pyrotechnic, Ltd.
  • Patent number: D409709
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: May 11, 1999
    Assignee: Inter-Oriental Pyrotechnic, Ltd.
    Inventor: Ewan Chi Yuen Cheung
  • Patent number: D412731
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: August 10, 1999
    Assignee: Inter-Oriental Pyrotechnic Ltd.
    Inventor: Ewan Chi Yuen Cheung
  • Patent number: D412961
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: August 17, 1999
    Assignee: Inter-Oriental Pyrotechnic, Ltd.
    Inventor: Ewan Chi Yuen Cheung
  • Patent number: D414836
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: October 5, 1999
    Assignee: Inter-Oriental Pyrotechnic, Ltd.
    Inventor: Ewan Chi Yuen Cheung