Patents by Inventor Kam Mang Chi

Kam Mang Chi 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).

  • Doll walker with activity toy
    Patent number: 6206384
    Abstract: A toy convertible between a doll walker and an activity play board includes a base having at least one wheel, and activity components and a seat formed in a first main surface of the base. A pair of bosses project laterally from the sides of the base, and a pair of wheeled legs attach to the base by engaging the bosses in boss cavities and with a fastener. By selecting the appropriate boss cavities, the base can be either horizontally oriented or inclined relative to the horizontal.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: March 27, 2001
    Assignee: Unimax Toys Ltd.
    Inventors: Kam Mang Chi, Chiang Chi Wing