Hearing Aid

PAT. NO. Title
401 5,404,407 Programmable hearing aid unit
402 5,404,105 Multipurpose hearing aid maintenance device
403 5,402,494 Electronic device forming a programmable miniature hearing aid, in particular of the intraductal type
404 5,396,560 Hearing aid incorporating a novelty filter
405 5,395,168 In the ear hearing aid having extraction tube which reduces acoustic feedback
407 5,389,829 Output limiter for class-D BICMOS hearing aid output amplifier
408 5,386,476 Locking device for a hearing aid battery chamber
409 5,386,475 Real-time hearing aid simulation
410 5,384,852 Hearing aid having a programmable audio input
412 5,381,484 Hearing aid with pull-out-string, pull-out string, and method of making a hearing aid
414 5,365,593 Decorative and operative hearing aid attachment
415 5,360,388 Round window electromagnetic implantable hearing aid
417 5,357,576 In the canal hearing aid with protruding shell portion
418 5,347,584 Hearing aid
420 5,343,532 Hearing aid device
421 5,341,433 Hearing aid device
422 5,338,287 Electromagnetic induction hearing aid device
423 5,327,499 Safety device for a hearing aid
424 5,321,758 Power efficient hearing aid
425 5,321,757 Hearing aid and method for preparing same
426 5,319,717 Hearing aid microphone with modified high-frequency response
427 5,318,502 Hearing aid having gel or paste transmission means communcative with the cochlea and method of use thereof
428 5,303,306 Hearing aid with programmable remote and method of deriving settings for configuring the hearing aid
429 5,303,305 Solar powered hearing aid
430 5,295,191 Hearing aid intended for being mounted within the ear canal
431 5,293,008 Earwax trap for use with hearing-aid apparatus, and hearing-aid apparatus with such a trap
433 5,278,360 Hearing aid wax guard with integral bridge
434 5,276,739 Programmable hybrid hearing aid with digital signal processing
435 5,265,168 Hearing aid
436 5,263,090 Hearing aid filter apparatus
437 5,263,089 Hearing aid
438 5,259,033 Hearing aid having compensation for acoustic feedback
439 5,257,315 Hearing aid to be worn in the ear
440 5,255,320 Hearing aid
442 5,253,300 Solar powered hearing aid
444 5,247,581 Class-d BICMOS hearing aid output amplifier
445 5,239,588 Hearing aid
447 5,228,089 Hearing aid
448 5,226,086 Method, apparatus, system and interface unit for programming a hearing aid
449 5,220,918 Trans-tympanic connector for magnetic induction hearing aid
450 5,214,709 Hearing aid for persons with an impaired hearing faculty
Digital hearing aid using differential signal representations
Hinged hearing aid
Hearing aid drying appliance
Programmable hearing aid unit
Solar powered hearing aid and reenergizer case
Home About Us Contact Us Crazy Patents Hearing Aid
0-A B C D E F G H I J K L M N O P Q R S T U V W X-Y-Z
Copyright 2005-2025 Free-Patent-Search.net, Dental Loupes