Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950215 | Method and apparatus for monitoring optical switches | Roger Helkey, Tony Walter, Peter Hunt, David E. Welsh | 2005-09-27 |
| 6882766 | Optical switch fabric with redundancy | Charles M. Corbalis, Roger Helkey | 2005-04-19 |