Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647078 | Diaphragm for a speaker | Shunji Yoshida | 2011-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647078 | Diaphragm for a speaker | Shunji Yoshida | 2011-10-18 |