| ADAPTIVE COMPRESSION - CLASS D/ CLASS D AGCI (K970430) | Midwest City Hearing Aid Center | 1997-03-11 |
| DYNAMIC EQ II - 2 CHANNEL WIDE DYNAMIC RANGE COMPRESSION (K963604) | Midwest City Hearing Aid Center | 1996-09-27 |
| HORIZON 1 AND 2 PROGRAMABLE FULL SHELL AND IN THE CANAL (K963607) | Midwest City Hearing Aid Center | 1996-09-20 |
| K AMP FULL SHELL AND IN THE EAR (K953729) | Midwest City Hearing Aid Center | 1995-09-12 |
| RX12 LINEAR FULL SHELL AND IN THE CANAL (K953728) | Midwest City Hearing Aid Center | 1995-09-12 |
| SNIP INPUT COMPRESSION CLASS A (K953631) | Midwest City Hearing Aid Center | 1995-08-28 |
| SPI-SECRET PERSONAL INSTRUMENT CIC (K952986) | Midwest City Hearing Aid Center | 1995-08-07 |
| DYNAMIC EQ/CLASS D (K953038) | Midwest City Hearing Aid Center | 1995-07-21 |
| MWCHAC 95 FS 12345 (K952821) | Midwest City Hearing Aid Center | 1995-07-21 |
| MWCHAC 95 C 12345 (K952820) | Midwest City Hearing Aid Center | 1995-07-21 |
| DB PUSH-PULL HEARING AID (K953036) | Midwest City Hearing Aid Center | 1995-07-21 |
| CUSTOM CANAL & FULL CONCHA INSTR (CLASS D CIR OPT) (K953037) | Midwest City Hearing Aid Center | 1995-07-20 |