Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423585 | Navigation signal group delay calibration | Jonathan A. Tekawy | 2008-09-09 |
| 7256734 | Spot beam antenna boresight calibration using GPS receivers | Jonathan A. Tekawy | 2007-08-14 |
| 7221317 | Space-based lever arm correction in navigational systems employing spot beams | Jonathan A. Tekawy | 2007-05-22 |
| 7221316 | Control segment-based lever-arm correction via curve fitting for high accuracy navigation | Jonathan A. Tekawy | 2007-05-22 |
| 7136621 | Return link design for PSD limited mobile satellite communication systems | Michael de La Chapelle | 2006-11-14 |
| 7129889 | User segment-based lever arm correction via prescribed maneuver for high-accuracy navigation | Jonathan A. Tekawy | 2006-10-31 |
| 7054593 | Return link design for PSD limited mobile satellite communication systems | Michael de La Chapelle | 2006-05-30 |
| 6980546 | Broadband internet protocol telephony system | William J. Purpura | 2005-12-27 |
| 6754230 | User bandwidth monitor and control management system and method | William J. Purpura | 2004-06-22 |