Patents by Inventor Godfrey Ka Wai Chung

Godfrey Ka Wai Chung 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).

  • Electric driver drill
    Patent number: D469674
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: February 4, 2003
    Assignee: One World Technologies Limited
    Inventor: Godfrey Ka Wai Chung
  • Cordless drill
    Patent number: D469675
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: February 4, 2003
    Assignee: One World Technologies Limited
    Inventor: Godfrey Ka Wai Chung
  • Electric drill
    Patent number: D470027
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: February 11, 2003
    Assignee: One World Technologies Limited
    Inventors: Daniel Alex Chunn, Godfrey Ka Wai Chung
  • Electric drill
    Patent number: D470378
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: February 18, 2003
    Assignee: One World Technologies Limited
    Inventors: Daniel Alex Chunn, Godfrey Ka Wai Chung
  • Electric driver drill
    Patent number: D471419
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: March 11, 2003
    Assignee: One World Technologies Limited
    Inventors: Daniel Alex Chunn, Godfrey Ka Wai Chung
  • Electric driver drill
    Patent number: D478262
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: August 12, 2003
    Assignee: One World Technologies Limited
    Inventors: Daniel Alex Chunn, Godfrey Ka Wai Chung
  • Electric drill
    Patent number: D490677
    Type: Grant
    Filed: August 12, 2003
    Date of Patent: June 1, 2004
    Assignee: One World Technologies, Limited
    Inventors: Godfrey Ka Wai Chung, Taku Ohi, Kenneth M. Brazell
  • Electric drill
    Patent number: D494033
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: August 10, 2004
    Assignee: One World Technologies
    Inventors: Benjamin J. Thomas, Taku Ohi, Godfrey Ka Wai Chung