Patents by Inventor Chi Hing Leung

Chi Hing Leung 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).

  • Multi-position selector switch
    Publication number: 20030034238
    Abstract: A selector switch (10) for selecting or manipulating at least one function of a consumer product. The selector comprises an operating element having at least one operating area. The selector switch (10) comprises two momentary action switches (22,24;26,28;30,32;34,36) underneath the operating area to control the desired function.
    Type: Application
    Filed: July 22, 2002
    Publication date: February 20, 2003
    Inventor: Chi Hing Leung