Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5583561 | Multi-cast digital video data server using synchronization groups | David R. Johnson, Ralph E. Sipple | 1996-12-10 |
| 4536052 | Modular cross-connect panel | John E. Clarke, Chris G. Johnson | 1985-08-20 |