Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544804 | Conference control transfer arrangement | Diane E. Herr, David F. Winchell | 1985-10-01 |
| 4540850 | Method and apparatus for controlling a conference | Diane E. Herr, David F. Winchell | 1985-09-10 |
| 4475189 | Automatic interactive conference arrangement | Diane E. Herr, Reinhard Metz, Paul Wiley, David F. Winchell | 1984-10-02 |