Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838723 | Flexible pen nib for writing purposes | Churyo Suzuki, Tooru Enomoto | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838723 | Flexible pen nib for writing purposes | Churyo Suzuki, Tooru Enomoto | 1989-06-13 |