Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035558 | Precise absolute time transfer from a satellite system | David A. Whelan, Robert W. Brumley, Gregory M. Gutt, Barton G. Ferrell | 2011-10-11 |
| 8019541 | Real-time data aiding for enhanced GPS performance | Bart Ferrell, Greg Gutt, David A. Whelan | 2011-09-13 |
| 7978130 | Practical method for upgrading existing GNSS user equipment with tightly integrated Nav-Com capability | Todd E. Humphreys, Brent M. Ledvina, William J. Bencze, Mark L. Psiaki, Bryan T. Galusha | 2011-07-12 |
| 7904243 | Real-time data aiding for enhanced GPS performance | Bart Ferrell, Greg Gutt, David A. Whelan | 2011-03-08 |