Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631955 | Option bus | Joel Adams, David C. Black, William Franklin Dunn, Jr., James B. Koehler, Michael K. Kounnas +3 more | 1997-05-20 |
| 5349640 | Option bus adapter | Tave P. Dunn, Larry A. Stell, William Franklin Dunn, Jr. | 1994-09-20 |
| 5339360 | Method of synchronizing LEDS between a digital telephone and remote options | Larry A. Stell | 1994-08-16 |