Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10061012 | Locating and ranging using coherent array reconciliation tomography | Antti Koski, R. James Duckworth | 2018-08-28 |
| 9846042 | Gyroscope assisted scalable visual simultaneous localization and mapping | Benzun Wisely Babu, R. James Duckworth | 2017-12-19 |
| 9658309 | Precision location method and system | Vincent Thomas Amendolare, R. James Duckworth | 2017-05-23 |
| 9476963 | Search and rescue method and system | R. James Duckworth | 2016-10-25 |
| 9274208 | Enhanced RF location methods and systems | R. James Duckworth | 2016-03-01 |
| 8928459 | Precision location methods and systems | R. James Duckworth, John A. Orr, William R. Michalson | 2015-01-06 |
| 7292189 | Methods and apparatus for high resolution positioning | John A. Orr, William R. Michalson, R. James Duckworth | 2007-11-06 |