Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789263 | Process for the production of a ball-point pen tip supplied with liquid ink, and tip produced thereby | — | 1988-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789263 | Process for the production of a ball-point pen tip supplied with liquid ink, and tip produced thereby | — | 1988-12-06 |