Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362410 | Mechanical pencil | — | 1982-12-07 |
| 4358210 | Mechanical pencil with chuck closing by normal writing grip | Osamu Torii | 1982-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362410 | Mechanical pencil | — | 1982-12-07 |
| 4358210 | Mechanical pencil with chuck closing by normal writing grip | Osamu Torii | 1982-11-09 |