Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664014 | Two-way communications earset | Noboru Yamaguchi | 1997-09-02 |
| 5606607 | Two-way communications earset | Noboru Yamaguchi | 1997-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664014 | Two-way communications earset | Noboru Yamaguchi | 1997-09-02 |
| 5606607 | Two-way communications earset | Noboru Yamaguchi | 1997-02-25 |