Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6752551 | Vertically expandable keyboard | — | 2004-06-22 |
| 5500889 | Method and apparatus for prioritizing a telephone call according to a level of service of an originator | Mark Baker, Jack R. Penrod, Nancy Stevens | 1996-03-19 |
| 5404350 | Routing calls destined for inaccessible destinations | Nicholas DeVito, Ted Moulos | 1995-04-04 |
| 5222128 | Telecommunication disaster plan | Garry R. Daly, Sankara R. Polepalle, Earle H. West, III | 1993-06-22 |