Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406439 | Phase lock evoked response audiometer | Lawrence Thomas Cohen, John Parker | 2002-06-18 |
| 5023783 | Evoked response audiometer for testing sleeping subjects | Lawrence Thomas Cohen | 1991-06-11 |
| 4462411 | Evoked response audiometer | — | 1984-07-31 |