|
| US4440982 | 8 Feb 1982 | 3 Apr 1984 | U.S. Philips Corporation | Hearing aid |
| US4628907 | 22 Mar 1984 | 16 Dec 1986 | | Direct contact hearing aid apparatus |
| US4763752 | 12 May 1987 | 16 Aug 1988 | Siemens Aktiengesellschaft | Mount for a sound transducer, particularly an earphone |
| US4854415 | 3 Mar 1988 | 8 Aug 1989 | Siemens Aktiengesellschaft | Hearing aid whose components are mounted in a hearing aid housing |
| US7003356 | 17 Apr 2002 | 21 Feb 2006 | Quallion LLC | Battery terminal sealing and supporting device and method |
| US7009362 | 19 Nov 2003 | 7 Mar 2006 | Quallion LLC | Standalone implantable medical power module |
| US7486048 | 29 Jul 2004 | 3 Feb 2009 | Quallion LLC | Implantable power module for powering a medical device |
| USD405528 | 18 Sep 1997 | 9 Feb 1999 | Decibel Instruments, Inc. | Combined hearing aid and receiver |