Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652177 | Conical nib, method of manufacture of the same, and ceramic composite conical nib | Shizuo Yamanaka | 2003-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652177 | Conical nib, method of manufacture of the same, and ceramic composite conical nib | Shizuo Yamanaka | 2003-11-25 |