Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928306 | Dynamically configurable telephone | David Christopher Black, Michael G. Duncan, Gary R. Key, Gordon D. Leak, Robert D. Whittington | 1990-05-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4928306 | Dynamically configurable telephone | David Christopher Black, Michael G. Duncan, Gary R. Key, Gordon D. Leak, Robert D. Whittington | 1990-05-22 |