Patents by Inventor Kuang-Pu Liu

Kuang-Pu Liu 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: 5203530
    Abstract: A balloon holder includes a bracket plate, a shank and a hollow casing made of an insulative material and connected between the bracket plate and the shank. The casing has an electronic music producing device, a spring member and a swinging plate mounted in the casing. The swinging plate is connected between the bracket plate and the spring member. The spring member is connected between the bottom of the casing and the swinging plate so that the swinging plate can swing within the casing. An annular flange extends inwardly from the internal wall of the casing between the swing plate and the electronic music producing device. A first and a second electrically conductive ring are respectively provided on the swinging plate and the annular flange and are respectively and electrically connected to the electronic music producing device.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: April 20, 1993
    Inventor: Kuang-Pu Liu