Patents by Inventor Tat Ming Kwan

Tat Ming Kwan 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).

  • Modular disc storage case
    Patent number: 7322468
    Abstract: A modular disc storage case comprises a plurality of disc-mounting plates each having an edge that is attached to an edge of an adjacent plate by a spine that comprises a number of hinges that are fastened to at least one of the plates.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: January 29, 2008
    Assignee: Tat Tsuen Industrial Ltd.
    Inventor: Tat Ming Kwan
  • Hinge for modular disc storage case
    Patent number: D524141
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: July 4, 2006
    Assignee: Tat Tsuen Industrial Ltd.
    Inventor: Tat Ming Kwan
  • Hinge for modular disc storage case
    Patent number: D525856
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: August 1, 2006
    Assignee: Tat Tseun Industrial Ltd.
    Inventor: Tat Ming Kwan
  • Central hub for optical disc box
    Patent number: D587922
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: March 10, 2009
    Assignee: Tat Tsuen Industrial Ltd.
    Inventor: Tat Ming Kwan
  • Case for optical disk and memory cards
    Patent number: D598692
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: August 25, 2009
    Assignee: Tat Tsuen Industrial Ltd.
    Inventor: Tat Ming Kwan