Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987900 | Optically powered optically controlled optical switch | Samuel Chang, Krzysztof Pradzynski, Charles Barker | 2006-01-17 |
| 6816639 | Optically powered and controlled optical switch | Samuel Chang, Krzysztof Pradzynski, Charles Barker | 2004-11-09 |