Patents by Inventor Wing Hong Joe CHUNG

Wing Hong Joe CHUNG 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).

  • Mandown Automatic SOS Speaker Device
    Publication number: 20150091724
    Abstract: The present invention provides a mandown automatic SOS speaker device configured to be used with a radio transceiver.
    Type: Application
    Filed: September 26, 2014
    Publication date: April 2, 2015
    Inventors: Wai Shing MOK, Wing Hong Joe CHUNG