Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9191117 | High-speed optical transponder systems | Stephen B. Alexander, Michael Y. Frankel, Roy C. Litz, Cecil D. Smith | 2015-11-17 |
| 8306424 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 2012-11-06 |
| 7809270 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 2010-10-05 |
| 7369780 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 2008-05-06 |
| 6618176 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 2003-09-09 |
| 6233077 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 2001-05-15 |
| 5798855 | Optical monitoring channel for wavelength division multiplexed optical communication system | Stephen B. Alexander, David R. Huber | 1998-08-25 |
| 5784184 | WDM Optical communication systems with remodulators and remodulating channel selectors | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 1998-07-21 |
| 5726784 | WDM optical communication system with remodulators and diverse optical transmitters | Stephen B. Alexander, David R. Huber, Cecil D. Smith | 1998-03-10 |
| 5715076 | Remodulating channel selectors for WDM optical communication systems | Stephen B. Alexander, Roy C. Litz, Cecil D. Smith | 1998-02-03 |
| 5557439 | Expandable wavelength division multiplexed optical communications systems | Stephen B. Alexander, Victor Mizrahi | 1996-09-17 |
| 5532864 | Optical monitoring channel for wavelength division multiplexed optical communication system | Stephen B. Alexander, David R. Huber | 1996-07-02 |
| 5504609 | WDM optical communication system with remodulators | Stephen B. Alexander, David R. Huber, Cecil D. Smith | 1996-04-02 |