Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742774 | Multi-ring SONET architecture having shared gateways daisy chained to complete the main and subsidiary ring controlled by a common master controller | Daniel Al-Salameh, Philip M. Francisco, Steven H. Hersey, Wilhelm Kremer | 1998-04-21 |