Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847763 | Laser audiometer system | Anton Kammermeier | 1989-07-11 |
| 4679650 | Hearing aid ear mold end piece for the auditory canal and hearing aid ear mold | Anton Kammermeier | 1987-07-14 |
| D288715 | Two-component audiometer desk | Anton Kammermeier | 1987-03-10 |
| D288598 | Integral audiometer desk | Anton Kammermeier | 1987-03-03 |
| 4187413 | Hearing aid with digital processing for: correlation of signals from plural microphones, dynamic range control, or filtering using an erasable memory | — | 1980-02-05 |