Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6941138 | Concurrent communications between a user terminal and multiple stratospheric transponder platforms | Donald C. D. Chang | 2005-09-06 |
| 6914557 | Micro cell architecture for mobile user tracking communication system | Donald C. D. Chang, Ying Feria, Weizheng Wang, Ming U. Chang, Frank A. Hagen +1 more | 2005-07-05 |
| 6895217 | Stratospheric-based communication system for mobile users having adaptive interference rejection | Donald C. D. Chang | 2005-05-17 |