Patents by Inventor Huang-Min Chu

Huang-Min Chu 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).

  • Toy whistle structure
    Publication number: 20020086608
    Abstract: An improved toy whistle structure includes a main body and a plurality of sub-bodies disposed therein. Each of the sub-bodies has an inner wall that is slightly tapered, and an outer wall provided with a correspondingly tapered movable ferrule for holding and positioning a tongue unit in each of the sub-bodies, thereby achieving facilitated assembly and a rich note variation effect.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 4, 2002
    Inventor: Huang-Min Chu
  • Bubble blower/flashing bar combination toy
    Patent number: D430228
    Type: Grant
    Filed: August 5, 1999
    Date of Patent: August 29, 2000
    Inventor: Huang-Min Chu