|
| US4161737 | 3 oct. 1977 | 17 juil. 1979 | | Helical antenna |
| US4525720 | 15 oct. 1982 | 25 juin 1985 | The United States of America as represented by the Secretary of the Navy | Integrated spiral antenna and printed circuit balun |
| US4559539 | 18 juil. 1983 | 17 déc. 1985 | American Electronic Laboratories, Inc. | Spiral antenna deformed to receive another antenna |
| US4605934 | 2 août 1984 | 12 août 1986 | The Boeing Company | Broad band spiral antenna with tapered arm width modulation |
| US4630064 | 30 sept. 1983 | 16 déc. 1986 | The Boeing Company | Spiral antenna with selectable impedance |
| US5640170 | 5 juin 1995 | 17 juin 1997 | Polhemus Incorporated | Position and orientation measuring system having anti-distortion source configuration |
| US5815122 | 11 janv. 1996 | 29 sept. 1998 | The Regents of the University of Michigan | Slot spiral antenna with integrated balun and feed |
| US7038636 | 16 juin 2004 | 2 mai 2006 | EMS Technologies Cawada, Ltd. | Helical antenna |
| USD481030 | 28 mai 2002 | 21 oct. 2003 | | CB antenna |
