Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532602 | Writing instrument with resetting operating unit | Hendrik Sassenberg | 2020-01-14 |
| 9315066 | Writing implement | Hendrik Sassenberg | 2016-04-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532602 | Writing instrument with resetting operating unit | Hendrik Sassenberg | 2020-01-14 |
| 9315066 | Writing implement | Hendrik Sassenberg | 2016-04-19 |