Patents by Inventor Inpon D. Hong

Inpon D. Hong 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).

  • Telephone long distance redialing apparatus and process
    Patent number: 5268959
    Abstract: To enable a long distance prefix "1" to be added to the memory in a telephone set of the last number dialed, a permanent memory of "1" is provided which enables the prefix "1" to be dialed automatically prior to and in conjunction with automatic redialing of the last number dialed by pressing a single long distance redial key.
    Type: Grant
    Filed: June 22, 1990
    Date of Patent: December 7, 1993
    Inventor: Inpon D. Hong