Patents by Inventor William Andrew Huryn

William Andrew Huryn 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).

  • Key telephone system multilink hands free answer circuit
    Patent number: 4063047
    Abstract: A multilink intercom is disclosed having hands free answer capability on each of the links. The circuit is arranged for use with the standard key telephone system and is station oriented such that concurrent hands free communication connections can be utilized on each of the links. A common selector is used to serve all of the links and the hands free detector and control circuitry at each station is shared among all of the intercom lines at that station.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: December 13, 1977
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventor: William Andrew Huryn