Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511592 | Spare bottle for an ink refilling of piston-type fountain pens or of writing implements fitted with an ink reservoir and an ink conducting system | — | 1996-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5511592 | Spare bottle for an ink refilling of piston-type fountain pens or of writing implements fitted with an ink reservoir and an ink conducting system | — | 1996-04-30 |