| ARGOSY PROGRAMMABLE ONQUE (K974242) | Argosy Electronics | 1998-01-20 |
| ARGOSY DYNAMEQ (K971699) | Argosy Electronics | 1997-07-03 |
| ARGOSY PROGRAMMABLE (K961729) | Argosy Electronics | 1996-05-29 |
| K-AMP 16, HI-BAND K-AMP, ULTRA COMPRESSION & HEARING PROTECTION/HEARING INSTRUMENT (K954038) | Argosy Electronics | 1995-09-18 |
| OUTPUT COMPRESSION LIMITER WITH ACTIVE TONE CONTROL (K952452) | Argosy Electronics | 1995-07-06 |
| CLASS D LINEAR WITH ACTIVE TONE CONTROL (K952451) | Argosy Electronics | 1995-07-06 |
| WIDE DYNAMIC RANGE COMPRESSION WITH ACTIVE TONE CONTROL (K952450) | Argosy Electronics | 1995-07-06 |
| IMPROVED MANHATTAN II (K952455) | Argosy Electronics | 1995-06-21 |
| INPUT COMPRSSION LIMITER WITH ACTIVE TONE CONTROL (K952453) | Argosy Electronics | 1995-06-21 |
| EXPANDER WITH ACTIVE TONE CONTROL (K952454) | Argosy Electronics | 1995-06-21 |
| PROGRAM 3-CH SER HEAR AIDS W/PROGRAM FIT SYST/PRO FIT (K944078) | Argosy Electronics | 1994-10-21 |
| PROGRAM 3-CH SERIES HEAR AIDS W/DT-1 DESKTOP PROGRAM (K944077) | Argosy Electronics | 1994-10-12 |
| COMPLETELY IN THE CANAL (K940116) | Argosy Electronics | 1994-05-03 |
| HI BAND (K934452) | Argosy Electronics | 1993-10-13 |
| LINEAR PLUS (K934442) | Argosy Electronics | 1993-10-08 |
| 3-CHANNEL K-AMP (K934449) | Argosy Electronics | 1993-10-08 |
| MANHATTAN 3-CHANNEL (K934450) | Argosy Electronics | 1993-10-08 |
| 2:1 INPUT COMPRESSION (K934443) | Argosy Electronics | 1993-10-08 |
| POWER MANHATTAN II (K934446) | Argosy Electronics | 1993-10-08 |
| POWER 3-CHANNEL-CLOCK (K934448) | Argosy Electronics | 1993-10-08 |
| LINEAR PLUS-POWER (K934447) | Argosy Electronics | 1993-10-08 |
| K-AMP (K934444) | Argosy Electronics | 1993-10-08 |
| 3-CHANNEL CLOCK (K934453) | Argosy Electronics | 1993-10-08 |
| MANHATTAN II (K934454) | Argosy Electronics | 1993-10-08 |