Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8493278 | Antennas and methods to provide adaptable omnidirectional ground nulls | — | 2013-07-23 |
| 8390525 | Circularly polarized omnidirectional antennas and methods | — | 2013-03-05 |
| 7990307 | Integrity monitor antenna systems for GPS-based precision landing system verification | — | 2011-08-02 |
| 7982680 | Antennas providing near-spherical coverage with right-hand circular polarization for differential GPS use | — | 2011-07-19 |
| 7583236 | Wideband communication antenna systems with low angle multipath suppression | — | 2009-09-01 |
| 7450082 | Small tuned-element GPS antennas for anti-jam adaptive processing | — | 2008-11-11 |
| 7417597 | GPS antenna systems and methods with vertically-steerable null for interference suppression | — | 2008-08-26 |
| 7119757 | Dual-array two-port differential GPS antenna systems | — | 2006-10-10 |
| 7088303 | Folded path flat-plate antennas for satellite communication | Raymond J. Lackey | 2006-08-08 |
| 7030813 | Array antennas with independent sum and difference excitations levels | — | 2006-04-18 |
| 7015866 | Flush-mounted air vehicle array antenna systems for satellite communication | — | 2006-03-21 |
| 6873301 | Diamond array low-sidelobes flat-plate antenna systems for satellite communication | — | 2005-03-29 |
| 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 |
| 6618016 | Eight-element anti-jam aircraft GPS antennas | Peter W. Hannan, Richard J. Kumpfbeck | 2003-09-09 |
| 6473054 | Array antennas with notched radiation patterns | Henry L. Bachman | 2002-10-29 |
| 6300915 | Vertical array antennas for differential GPS ground stations | — | 2001-10-09 |
| 6229495 | Dual-point-feed broadband whip antenna | Richard J. Kumpfbeck, John F. Pedersen | 2001-05-08 |
| 6201510 | Self-contained progressive-phase GPS elements and antennas | Richard J. Kumpfbeck, Edward M. Newman | 2001-03-13 |
| 6160525 | Low impedance loop antennas | — | 2000-12-12 |
| 6057806 | Cross-polarized around-tower cellular antenna systems | — | 2000-05-02 |
| 6046704 | Stamp-and-bend double-tuned radiating elements and antennas | — | 2000-04-04 |
| 5982337 | Cellular antennas for stratosphere coverage of multi-band annular earth pattern | Edward M. Newman | 1999-11-09 |