| AUDIT (K822335) | Axonics, Inc. | 1983-02-07 |
| ACOH WELLNESS TESTER (K823554) | Occupational Health, Inc. | 1983-01-05 |
| THE SCREENING TYMPANOMETER (K822745) | American Electromedics Corp. | 1982-09-30 |
| TRACOR RA400 AUDIOMETER (K822414) | Tracor Instruments, Inc. | 1982-08-30 |
| MIDDLE EAR ANALYZER (IMPEDANCE AUDIO (K820715) | Grason-Stadler, Inc. | 1982-04-09 |
| EARSCAN (K812529) | Micro Audiometrics Corp. | 1981-10-14 |
| PORTABLE AUDIOMETERS (K811727) | Maico Hearing Instruments, Inc. | 1981-07-15 |
| AUDIOMETER (K810583) | Grason-Stadler, Inc. | 1981-04-29 |
| AUTOMATIC SCREENING AUDIOMETER (K810537) | Positron | 1981-03-11 |
| HIGH FREQUENCY AUDIOMETER DELMAR #20-K (K803072) | Demlar Medical, Inc. | 1980-12-30 |
| 101, 151, 161 PORTABLE AUDIOMETERS (K802963) | Amplaid USA, Inc. | 1980-12-19 |
| TINNITUS RESEARCH AUDIOMETER (K802560) | Starkey Laboratories, Inc. | 1980-11-12 |
| ATTENU-CHEK (K802350) | Hear Co., Inc. | 1980-10-23 |
| RION DIAGNOSTIC AUDIOMETER (K802207) | Rion Acoustic Instruments, Inc. | 1980-09-26 |
| CLINICAL AUDIOMETER MODEL TA-200 (K801325) | Teledyne Avionics Div. of Teledyne | 1980-06-30 |
| TA-10 PORTABLE SCREENING AUDIOMETER (K791467) | Teledyne Avionics Div. of Teledyne | 1979-09-28 |
| SCREENING AUDIOMETER, HIGH FREQUENCY (K790878) | Vicon Instrument Co. | 1979-08-03 |
| MIS AURAL ACOUSTIC SCREENER (K791170) | Maico Hearing Instruments, Inc. | 1979-06-25 |
| TRACOR MODEL RA-411 MICROPROCESSOR (K790903) | Tracor Instruments, Inc. | 1979-05-31 |
| MIDDLE EAR ANALYZER (IMPED. AUDIOMTR) (K790846) | Grason-Stadler, Inc. | 1979-05-17 |
| AUDIOMETER (K790609) | Grason-Stadler, Inc. | 1979-04-10 |
| PREAMPLIFIER MODELS 8101PI & 8102PI (K781474) | Life-Tech Instruments, Inc. | 1978-09-07 |
| SPEECH AUDIOMETER RA 226 (K780749) | Tracor Instruments, Inc. | 1978-05-16 |
| TRACOR RA 410 AUDIOMETER (K780450) | Tracor Instruments, Inc. | 1978-03-30 |
| AUDIOMETER, PORTABLE, AIR CONDUCTION (K780382) | Maico Hearing Instruments, Inc. | 1978-03-14 |
| COMPUTER AUDIOMETER - MA26 (K780270) | Maico Hearing Instruments, Inc. | 1978-02-27 |
| COMPUTER AUDIOMETER - MA25 (K780269) | Maico Hearing Instruments, Inc. | 1978-02-27 |
| NEONATAL SCREENING AUDIOMETER (K780150) | Telediagnostic Systems, Inc. | 1978-02-13 |
| AUDIOMETER, RECORDING, AUTOMATIC (K772169) | B&K Instruments, Inc. | 1977-12-02 |
| AUDIOMETRIC TESTING SYS., SERIES 500 (K770823) | Automated Testing Services, Ltd. | 1977-05-18 |
| AUDIOMETER, MA29, PURE TONE AIR CONDUCT. (K770616) | Maico Hearing Instruments, Inc. | 1977-04-08 |
| AUDIOMETER, MA31 (K770618) | Maico Hearing Instruments, Inc. | 1977-04-08 |
| AUDIOMETER, MA30, AIR & BONE CONDUCTION (K770617) | Maico Hearing Instruments, Inc. | 1977-04-07 |
| AUDIOMETER, DIAG., ADVANCED, MA-22 (K770553) | Maico Hearing Instruments, Inc. | 1977-03-24 |
| TRACOR MODEL RA 208 COMPLIANCE AUDIOM (K760859) | Tracor Instruments, Inc. | 1976-10-29 |