Patents by Inventor Mao-Hsiung Weng

Mao-Hsiung Weng 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: 5938216
    Abstract: A baby carriage with an illumination sound system comprises a control box having a control circuit, a frame with wheels, a magnet and a magnetic switch mounted on a rear leg of the frame. The magnetic switch is connected to the control circuit, and the control circuit outputs a signal to drive a speaker, an illuminating device, a signal transmitting device, respectively or a combination signal of all the above, thus, when pushing the carriage the above devices can be activated.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: August 17, 1999
    Assignee: Lu Kuang Inc.
    Inventor: Mao-Hsiung Weng