Patents by Inventor Tung Yan Yen Lau

Tung Yan Yen Lau 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).

  • Tape holder
    Patent number: D436131
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: January 9, 2001
    Assignee: Inform Designs Ltd.
    Inventor: Tung Yan Yen Lau
  • Hair clipper
    Patent number: D455230
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: April 2, 2002
    Assignee: Specialife Industries Ltd.
    Inventor: Tung Yan Yen Lau
  • Water massager
    Patent number: D463862
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: October 1, 2002
    Assignee: Specialife Industries Ltd.
    Inventor: Tung Yan Yen Lau
  • Shaver
    Patent number: D484642
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: December 30, 2003
    Assignee: Specialife Industries Ltd.
    Inventor: Tung Yan Yen Lau
  • Compact tool
    Patent number: D429988
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: August 29, 2000
    Assignee: The Innovators Ltd.
    Inventors: Tung Yan Yen Lau, Walter Wolf Windisch