Patents by Inventor Jacqueline Yeung Wai Man

Jacqueline Yeung Wai Man 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).

  • Electronic learning aid housing
    Patent number: D429492
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: August 15, 2000
    Assignee: VTECH Electronics Limited
    Inventor: Jacqueline Yeung Wai Man