Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11785045 | Network watermark | Robert W. Twitchell, Jr. | 2023-10-10 |
| 11558422 | Network watermark | Robert W. Twitchell, Jr. | 2023-01-17 |
| 9392020 | Network watermark | Robert W. Twitchell, Jr. | 2016-07-12 |
| 9060023 | Network watermark | Robert W. Twitchell, Jr. | 2015-06-16 |
| 8625574 | Network watermark | Robert W. Twitchell, Jr. | 2014-01-07 |
| 7990947 | Network watermark | Robert W. Twitchell, Jr. | 2011-08-02 |
| 7783246 | Tactical GPS denial and denial detection system | Robert W. Twitchell, Jr. | 2010-08-24 |
| 7733944 | Operating GPS receivers in GPS-adverse environment | Robert W. Twitchell, Jr. | 2010-06-08 |
| 7583769 | Operating GPS receivers in GPS-adverse environment | Robert W. Twitchell, Jr. | 2009-09-01 |
| 7574168 | Selective GPS denial system | Robert W. Twitchell, Jr. | 2009-08-11 |
| 7574300 | GPS denial device detection and location system | Robert W. Twitchell, Jr. | 2009-08-11 |