Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250832 | Fountain-pen with double reservoir and plunger for filling the pen by means of suction | — | 2001-06-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250832 | Fountain-pen with double reservoir and plunger for filling the pen by means of suction | — | 2001-06-26 |