Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669617 | Pen holder device | Juergen Boeckmann, Bernhard Bruhn, Harald Hofmann, Axel Mikuteit, Hans-Joachim Ritter +1 more | 1987-06-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669617 | Pen holder device | Juergen Boeckmann, Bernhard Bruhn, Harald Hofmann, Axel Mikuteit, Hans-Joachim Ritter +1 more | 1987-06-02 |