Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004364 | Device for advancing and retracting writing element in writing instrument | Yoshihiro Tomura, Nobuyuki Ozawa | 1991-04-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004364 | Device for advancing and retracting writing element in writing instrument | Yoshihiro Tomura, Nobuyuki Ozawa | 1991-04-02 |