Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8253641 | Wideband wide scan antenna matching structure using electrically floating plates | — | 2012-08-28 |
| 7583238 | Radome for endfire antenna arrays | John W. Cassen | 2009-09-01 |
| 6812893 | Horizontally polarized endfire array | — | 2004-11-02 |
| 6501426 | Wide scan angle circularly polarized array | — | 2002-12-31 |
| 6052078 | Apparatus for overcoming the blockage effect of an object in the path of a radiating beam of RF energy | — | 2000-04-18 |
| 5986611 | Steerable disk antenna | Earnest R. Harrison | 1999-11-16 |
| 5923302 | Full coverage antenna array including side looking and end-free antenna arrays having comparable gain | William F. Hoover | 1999-07-13 |
| 5877659 | 90.degree. phase shifter apparatus and method using a directly coupled path and a switched path | Patrick J. Knowles | 1999-03-02 |
| 5874927 | Tilted element antenna having increased effective aperture and method therefor | Patrick J. Knowles | 1999-02-23 |
| 5828345 | Electrically short wide-band, wide-scan, slow wave dual notch radiator | John Michael Vezmar, James Yon | 1998-10-27 |
| 5754146 | Helical antenna having a parasitic element and method of using same | Patrick J. Knowles | 1998-05-19 |
| 5721557 | Non-squinting end-fed quadrifilar helical antenna | Myron S. Wheeler, Daniel Davis | 1998-02-24 |
| 5694140 | Non-squinting mast antenna and closed loop control thereof | Gary E. Evans | 1997-12-02 |
| 5489916 | Helical antenna having adjustable beam angle | Stephen N. Syrylo | 1996-02-06 |
| 5365244 | Wideband notch radiator | James Yon | 1994-11-15 |
| 5291155 | Microwave buffer | Patrick J. Knowles | 1994-03-01 |
| 5270671 | Negative slope phase skewer | — | 1993-12-14 |
| 5258769 | Ominidirectional ground plane effect radiator | Patrick J. Knowles | 1993-11-02 |
| 5073761 | Non-contacting radio frequency coupler connector | Jimmy W. Mullis, John H. Staehlin | 1991-12-17 |