Patents by Inventor Hong S. Hwang

Hong S. Hwang 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).

  • Automatic pager calling device
    Patent number: 5459773
    Abstract: An automatic pager responds to a caller to input the caller's identification code and transmit a received identification code to an absent subscriber possessing the pager.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: October 17, 1995
    Inventor: Hong S. Hwang