Matches 201 - 236 out of 236 < 1 2 3 4 5
Match Document Document Title
3918550 Hearing aid device  
A hearing aid device which comprises a venting tube adapter for connecting the sound tube from the hearing aid amplifier to the molded ear insert and at the same time venting the channel to the...
3916873 Valve for tympanic membrane ear surgery  
An air-permeable, chemically inert valve used to provide an air passage through the tympanic membrane of the ear. A thin layer of porous teflon covers the outer end of a tube lining a passageway...
3899044 Music stethoscope  
A stethoscope composed of a one-piece frame or body of molded plastic adapted to support a pair of flexible sound tubes, the frame including a pair of spaced flexible legs V-shaped in cross section...
3882848 Test probe for an impedance audiometer  
An improved test probe is disclosed for use in a clinical evaluation of hearing loss. There are a number of increasingly important acoustic impedance tests for providing an evaluation of hearing...
3881570 Self-fitting hearing protector  
A self-fitting earplug has a generally elongated, ovoid- or bullet-shaped mass of deformable putty-like polymer enclosed in an elastomeric or resilient envelope which urges the polymeric mass...
3851123 MECHANICAL AUDIO COUPLING DEVICE  
A connector adapted to be removably coupled to the outlet opening of a horn type speaker in a pocket type portable radio receiver, the connector having a passageway therethrough which tapers from...
3800791 ADJUSTABLE EAR PLUG  
A flexible ear plug has flanges thereon of gradually increasing size. The plug can be inserted into an auditory canal after which the diameter of the flanges can be increased by forcing an insert...
3776362 STETHOSCOPE HEADSET  
Stethoscope-type headset for conducting sound from a remote location to a user's ears which is adjustable to fit widely varying individuals while being yet comfortable to all such individuals and...
3732382 HEARING AID EAR PIECE  
A relatively light weight plastic ear piece having a spherical configuration as positioned in the interior portion of the concha behind the tragus over the auditory canal orifice. The diameter of...
3667569 SOUND TUBE HEADSET  
A sound tube headset formed of flexible tubing having arcuate end portions adapted to rest on the ears, extend downwardly behind the ears and forwardly in front of the wearer and with an adjustable...
3618697 BINAURAL AND METHOD OF MAKING THE SAME  
A stethoscope method of making a stethoscope binaural from an elongated resilient tubular member preferably having a symmetrical cross section comprising sliding a tubular T-shaped yoke onto the...
3602330 ACOUSTIC EAR MOLD FOR HEARING AID  
An acoustic ear mold insertable into the ear of an individual with impaired hearing and used in conjunction with a hearing aid amplifier incorporates therein reflection chambers. Amplified sound...
3602654 HYDRAULICALLY EXPANDABLE EARPIECE  
An earpiece is provided for insertion in the ear canal and comprises a tube for conducting sound pressures to the ear canal. The sound pressure tube has a fluid expandable means surrounding the...
3547219 HEADSET DEVICE  
3539032 STETHOSCOPE  
3504760 STETHOSCOPE BUSHING  
3483943 BINAURAL TUBE SUPPORTING STRUCTURE FOR STETHOSCOPES  
3469651 ADJUSTABLE STETHOSCOPE EARMUFF SHELL  
3451502 TONE FREQUENCY NOISE FILTER  
3303902 Ear piece  
3259128 Ear protector from noise and dirt  
3217831 Sound tube head set  
3169600 Sound head set  
3168159 Hearing aid earpiece  
3168160 Stethoscope  
3157245 Hearing aid tube attachment  
3131241 Method for making an improved ear plug  
3097059 Method for forming ear plugs for supporting hearing and receivers  
3080011 Ear canal insert  
3068954 Hearing aid apparatus and method  
3047089 Ear plugs  
2933145 Headphone device  
2824558 Ear plug  
2803247 Earplug  
2803308 Ear-tip for stethoscope type headset  
3702123 Title is not available  
Matches 201 - 236 out of 236 < 1 2 3 4 5