Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552483 | Device for covering an oblong opening in a housing | Gerold Anderka, Joachim Brandt, Rolf Martens, Rolf Paschen, Bernd Willimczik | 1985-11-12 |
| 4496958 | Drawing pen exchanger for computer controlled drawing machines | Joachim Brandt, Jurgen Post, Bernd Willimczik, Rolf Marten, Rolf Paschen +1 more | 1985-01-29 |
| 4489333 | Device for exchanging objects in particular writing instruments | Gerold Anderka, Joachim Brandt, Rolf Martens, Rolf Paschen, Jurgen Post +1 more | 1984-12-18 |
| 4459602 | Automatic drafting apparatus | Gerold Anderka | 1984-07-10 |