Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807339 | Wavelength division multiplexing and de-multiplexing system | John Tsai | 2004-10-19 |
| 6804060 | Interference filter fabrication | John Tsai | 2004-10-12 |
| 6790473 | Lead protective coating composition, process and structure thereof | Konstantinos I. Papathomas, Stephen Joseph Fuerniss, Deborah L. Dittrich | 2004-09-14 |
| 6748138 | Optical grating fabrication | John Tsai | 2004-06-08 |
| 6745843 | Base-pipe flow control mechanism | Craig D. Johnson, Matthew R. Hackworth | 2004-06-08 |
| 6731659 | Frequency locker | John Tsai | 2004-05-04 |
| 6718092 | Frequency detection, tuning and stabilization system | John Tsai | 2004-04-06 |