Patents by Inventor Chyi-Hun Hsieh

Chyi-Hun Hsieh 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: 4601669
    Abstract: Sounding device for dolls consists of a sound producer provided in the upper body cavity of the doll actuated by a press-cam and restrict-cam both disposed on a cam shaft pivotable with the rotation of the doll's arm. The sound is being produced upon rotating of the arm to cause the pivoting of the cam shaft so that the press-cam actuates the switch contacts of the sounder.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: July 22, 1986
    Inventor: Chyi-Hun Hsieh