Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9612334 | Correcting for time delay variation in a satellite for positioning, navigation or timing applications | Gregory M. Gutt, David A. Whelan, Peter M. Fyfe | 2017-04-04 |
| 8843313 | Multipath isolation through the combined use of antenna diversity and frequency diversity | Per K. Enge, Bart Ferrell, Gregory M. Gutt, Michael A. Rizzo, David A. Whelan | 2014-09-23 |