|
| US4001733 | 18 Aug 1975 | 4 Jan 1977 | Raytheon Company | Ferrite phase shifter having conductive material plated around ferrite assembly |
| US4434409 | 11 Jun 1981 | 28 Feb 1984 | Raytheon Company | Dielectric waveguide phase shifter |
| US4682126 | 1 Jun 1984 | 21 Jul 1987 | The United States of America as represented by the Secretary of the Air Force | Electromagnet for programmable microwave circulator |
| US5666094 | 24 Oct 1995 | 9 Sep 1997 | Honda Giken Kogyo Kabushiki Kaisha | Method of fabricating NRD guide circuit and NRD guide circuit |
| US5828271 | 6 Mar 1997 | 27 Oct 1998 | Northrop Grumman Corporation | Planar ferrite toroid microwave phase shifter |
