Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5712898 | D4 channel bank with multi-mode formatted, performance-monitoring communication bus | Clifford L. Hall, Scott C. Bailey | 1998-01-27 |
| 5661778 | Performance monitoring of DSO channel via D4 channel bank | Clifford L. Hall, Norman R. Harris, Stephen T. Killian | 1997-08-26 |
| 5574723 | Remote provisioning of telephone channel unit using inband digital code sequences transmitted over tandem link | Stephen T. Killian | 1996-11-12 |
| 5473665 | Performance monitoring of DS0 channel via D4 channel bank | Clifford L. Hall, Norman R. Harris, Stephen T. Killian | 1995-12-05 |
| 5390179 | Remote provisioning of telephone channel unit using inband digital code sequences transmitted over tandem link | Stephen T. Killian | 1995-02-14 |