Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819808 | Electro-optical modulators | Christoph Erben, Howard Edan Katz, Mark Ka Lai Lee | 2004-11-16 |
| 6711308 | Electro-optical modulators | Christoph Erben, Howard Edan Katz, Mark Ka Lai Lee | 2004-03-23 |