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| Patents for A61F 11 - Methods or devices for treatment of the ears, e.g. surgical; Protective devices for the ears, carried on the body or in the hand (9,023) |
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| 08/30/1977 | US4044770 Ear curette | | 07/26/1977 | US4037273 Ear protector | | 07/12/1977 | US4034759 Moisture-expandable prosthesis | | 05/17/1977 | US4023642 Soundproof earcovers | | 04/26/1977 | US4020298 Apparatus for testing acoustical attenuation of hearing protectors | | 04/05/1977 | US4015607 Eustachian tube prosthesis and method for its implantion | | 04/05/1977 | US4015602 Ear mold injection dispenser | | 03/08/1977 | US4010820 Acoustic ear mold for hearing aid | | 03/01/1977 | US4009718 Earlobe piercing device | | 02/08/1977 | US4006796 Earpiece which substantially consists of a thin-walled flexible capsule filled with a liquid medium | | 11/02/1976 | US3989904 Method and apparatus for setting an aural prosthesis to provide specific auditory deficiency corrections | | 10/05/1976 | US3984708 Electromagnetic tactile stimulator | | 09/28/1976 | US3982545 Middle ear aeration and implant | | 08/24/1976 | US3976081 Laminar middle ear vent tube assembly | | 07/20/1976 | US3970082 Hard hat ear protector | | 05/25/1976 | US3959200 Copolyester composition | | 05/04/1976 | US3954101 Audiotactile communication system | | 04/20/1976 | US3952158 Ear protection and hearing device | | 04/06/1976 | US3948271 Drain for the eardrum and apparatus for introducing the same | | 03/16/1976 | US3944018 Acoustical seal | | 03/16/1976 | US3943925 Ear protector assembly | | 02/17/1976 | US3938616 Sound multiplier | | 02/17/1976 | US3938614 Cushion member for sound-proof sealing |
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