Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5379280 | Conferencing system for distributed switching network | John M. Cotton, Neil C. Olsen, Alex T. Wissink, Gary V. Pieper, William A. Oswald +3 more | 1995-01-03 |
| 5255264 | Distributed control switching network for multi-line telephone communications | John M. Cotton, Neil C. Olsen, Alex T. Wissink, Gary V. Pieper, William A. Oswald +3 more | 1993-10-19 |