Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355406 | Integrated application controlled call processing and messaging system | Arnold Chencinski, Michael A. Liberty, Robert H. Sinn | 1994-10-11 |
| 5325422 | PBX telephone call control system | — | 1994-06-28 |