Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831601 | Circular array scanning with sum and difference excitation | Richard J. Kumpfbeck | 2004-12-14 |
| 6819291 | Reduced-size GPS antennas for anti-jam adaptive processing | Raymond J. Lackey | 2004-11-16 |
| 6744412 | High up/down ratio GPS antennas with serrated absorber | — | 2004-06-01 |
| 6686892 | Switchable length whip antenna | John F. Pedersen, Joseph T. Merenda | 2004-02-03 |