Patents by Inventor Ronald E. Heffner

Ronald E. Heffner 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).

  • Telecommunications feature server
    Patent number: 5550906
    Abstract: A PBX (14) is employed as a feature server for another telecommunications subsystem (11), such as a broadband or a multi-media subsystem or another PBX. The PBX's feature set is thus made available to the other subsystem. Also, inter-PBX feature transparency is implemented thereby.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: August 27, 1996
    Assignee: Lucent Technologies Inc.
    Inventors: Toan Chau, Ronald E. Heffner