Patents by Inventor King-Lin Huang

King-Lin Huang 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).

  • Whistle
    Patent number: 5826534
    Abstract: A portable whistle is assembled from an injection molded main body having an air blowing opening within which an injection molded plug is inserted so that whistling is created when air is blown into the opening and through a groove formed in the plug and a slot formed in the body.
    Type: Grant
    Filed: February 11, 1997
    Date of Patent: October 27, 1998
    Inventor: King-Lin Huang