Patents by Inventor Hing Sang Wong

Hing Sang Wong 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
    Patent number: D440608
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: April 17, 2001
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410049
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 18, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410261
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 25, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410262
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 25, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410263
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 25, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410264
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 25, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410265
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: May 25, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410507
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: June 1, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing-Sang Wong
  • Toy
    Patent number: D410508
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: June 1, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing-Sang Wong
  • Toy
    Patent number: D410509
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: June 1, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D410710
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: June 8, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing-Sang Wong
  • Toy
    Patent number: D410977
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: June 15, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D411266
    Type: Grant
    Filed: July 7, 1998
    Date of Patent: June 22, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D414224
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: September 21, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing-Sang Wong
  • Toy
    Patent number: D416296
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: November 9, 1999
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D422323
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: April 4, 2000
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D423064
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: April 18, 2000
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D427253
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: June 27, 2000
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D430623
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: September 5, 2000
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong
  • Toy
    Patent number: D434459
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: November 28, 2000
    Assignee: Takmay Industrial Co., Ltd.
    Inventor: Hing Sang Wong