|
| US4041394 | 6 Jul 1976 | 9 Ago 1977 | River Range Developments Limited | Radio control transmitter |
| US4134108 | 21 Ene 1977 | 9 Ene 1979 | Res'Q, Inc. | Emergency alarm device |
| US4539700 | 4 Abr 1984 | 3 Sep 1985 | Olympus Optical Company Limited | Personal portable audio device |
| US4589134 | 21 Nov 1983 | 13 May 1986 | | Personal sound system |
| US4726070 | 6 Mar 1986 | 16 Feb 1988 | | User-supported transceiver set |
| US4876724 | 29 Abr 1988 | 24 Oct 1989 | Toshiba America, Inc. | Personal sound system |
| US4936037 | 5 Jul 1989 | 26 Jun 1990 | Jack N. Holcomb | Pistol with concealed radio transmitter |
| US4937795 | 5 Jul 1988 | 26 Jun 1990 | Tokyo Keiki Co., Ltd. | Access alarming method and apparatus for working vehicle |
| US5101504 | 13 Jun 1989 | 31 Mar 1992 | | Shoulder activated headset |
| US5245314 | 18 Sep 1985 | 14 Sep 1993 | | Location monitoring system |
| US5400185 | 8 Jul 1994 | 21 Mar 1995 | | Evidence recorder and method of securing |
| US5493697 | 27 Ago 1993 | 20 Feb 1996 | | Communications system for the game of football including player-carried transmitter and side lines speakers for overcoming spectator noise |
| US5525966 | 22 Ago 1995 | 11 Jun 1996 | Eagle Electronics Inc. | Electronic security system for weapons |
| US5586704 | 7 Mar 1995 | 24 Dic 1996 | Tommy Alexander | Shoulder holster and method of carrying a portable telephone near the body of a user |
| US5884198 | 16 Ago 1996 | 16 Mar 1999 | Ericsson, Inc. | Body conformal portable radio and method of constructing the same |
| US6792124 | 12 Jun 2001 | 14 Sep 2004 | Koninklijke Philips Electronics N.V. | Garment with removable electronic devices |
| USD268675 | 3 Nov 1980 | 19 Abr 1983 | | Radio receiver |
| USD512993 | 10 Nov 2004 | 20 Dic 2005 | Sony Computer Entertainment Inc. | Headphone |
| USD513250 | 10 Nov 2004 | 27 Dic 2005 | Sony Computer Entertainment Inc. | Headphone |
| USD521502 | 10 Nov 2004 | 23 May 2006 | Sony Computer Entertainment Inc. | Headphone |
| USD529714 | 12 Mar 2004 | 10 Oct 2006 | Industrial Blade Company | Holster |