Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638573 | Spectacles frame surface treatment method | Toshihisa Akaba | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638573 | Spectacles frame surface treatment method | Toshihisa Akaba | 2003-10-28 |