Patents by Inventor Waihong Long

Waihong Long 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).

  • Publication number: 20080264428
    Abstract: Self-fitting device for location in ear canal and related method, including a body having a shaft, a resilient bladder joined with the body and an elongate plunger located in the shaft. The elongate plunger actuates between an at-rest position and an insertion position to cause the resilient bladder to be deformed from the at-rest position to the insertion position before the device is located in the ear canal.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Ricky W. Purcell, Waihong Long, Scott Belliveau, Sean Corbin