Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428485 | Method for testing hearing ability by using internet and recording medium on which the method therefor is recorded | — | 2002-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428485 | Method for testing hearing ability by using internet and recording medium on which the method therefor is recorded | — | 2002-08-06 |