Patents by Inventor Frederick Loh Man Wai

Frederick Loh Man Wai 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).

  • Patent number: 6955363
    Abstract: A toy shopping cart has a basket and seat that may be used for different functions and which are easily removed from and reattached to a frame of the shopping cart. The frame of the toy shopping cart has a pair of leg assemblies with four wheels and a number of cross-members with a holding channel formed on one of the cross-members to removably support the basket by a rim and the seat by a holding member in position at the front and the rear of the frame. The basket includes a housing with a base that is supported by a second of the cross-members when held in the frame.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: October 18, 2005
    Assignee: Mattel, Inc.
    Inventors: Elizabeth A. Libretti, Frederick Loh Man Wai, Jon Marine