Patents Assigned to Watercore Limited
  • Hand held eleectronic game
    Patent number: D399267
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: October 6, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Sui Fai
  • Key-chain electronic game
    Patent number: D399536
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: October 13, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai
  • Hand held electronic game
    Patent number: D401297
    Type: Grant
    Filed: May 8, 1997
    Date of Patent: November 17, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Sui Fai
  • Key-chain electronic game
    Patent number: D403362
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: December 29, 1998
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai
  • Electronic game
    Patent number: D410257
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: May 25, 1999
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai
  • Hand-held electronic game
    Patent number: D411586
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: June 29, 1999
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai
  • Computer game
    Patent number: D414523
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: September 28, 1999
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai
  • Fishing game
    Patent number: D420398
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: February 8, 2000
    Assignee: Watercore Limited
    Inventor: Au Yeung Siu Fai