Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963560 | Method and system for frame and pointer alignment of SONET data channels | David C. Sawey | 2005-11-08 |
| 6515962 | Hit-less switching pointer aligner apparatus and method | David C. Sawey | 2003-02-04 |
| 6195330 | Method and system for hit-less switching | David C. Sawey | 2001-02-27 |